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  • 难度: 使用次数:5 入库时间:2017-03-29
    来源: 安徽省淮北市第一中学2017届高三下学期第三次周考英语试题 Word版含答案.doc

    A food chain is a simple way of explaining how each living thing gets its food.For example,a simple African food chain might consist of three parts:1trees and bushes;2giraffes;and3lions.Each link in a food chain is food for the next link.Food chains always start with plants and end with animals.

    Plants are at the bottom of the food chain.Scientists call them producers,because they use light energy from the sun to produce food from carbon dioxide and water through photosynthesis(光合作用).Animals,unlike plants,can’t produce their own food.Instead,they must eat plants or other animals.This is why scientists call them consumers.

    Consumer animals fall into three categories.Herbivores eat only plan’s.Carnivores eat only other animals. Omnivores eat both plants and animals.In addition to producers and consumers,there are also decomposers.These organisms,such as bacteria and fungi,feed on decaying matter.They help the food chain by speeding up the decaying process that releases minerals back into the soil to be absorbed by plants as nutrients.

    Most food chains have only four or five links in them.As you go up a food chain,the amount of energy at each level diminishes,because some of the energy is lost in the form of waste or is used up by the organism at the level.That is why it takes many plants,for example,to feed a few giraffes who in turn feed one lion.

    Most animals are part of many different food chains,because they must eat more than one type of food to satisfy their energy needs.All of these interconnected food chains form a more complex structure called a food web.Humans, for example,are at the center of a very complex food web,because we tend to eat many different types of plants and animals.

    32.Which of the following tells us the African food chain?

    A.Trees,giraffes and lions live on one another.    

    B.Giraffes eat lions and lions feed on bushes.

    C.Lions live on giraffes and giraffes eat trees.

    D.Bushes live on lions and lions eat giraffes.

    33.In the second paragraph,the author is mainly to         .

    A.emphasize the importance of the plants            B.compare the plants and the animals

    C.present the scientists’ different views                D.explain the producers and consumers

    34.The underlined word”diminishes”in Paragraph 4probably means         .

    A.changes                  B.decreases               C.disappears                     D.increases

    35.What would be the best title for this passage?

    A.The types of plants and animals                        B.The differences among the living things

    C.Three categories of the consumers                  D.The food chain in the natural world

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-29
    来源: 2017高二英语寒假作业.doc

    Listening to music while you drive can improve your speed and ability to get away from accidents, according to Australian psychologists(心理学家). But turning your car radio up to full volume could probably make you end up in an accident. The performance of difficult tasks can be affected if people are subjected to loud noise. The experience of pulling up at traffic lights alongside cars with loud music made some psychologists in the University of Sydney look into whether loud music has something to do with driving.

    The psychologists invited 60 men and women aged between 20 and 28 as subjects and tested them on almost the same driving tasks under three noise conditions: silencerock music played at a gentle 55 decibels(分贝) and the same music at 85 decibels.

    For 10 minutes the subjects sat in front of a screen operating a simple machine like a car. They had to track a moving disk on screen respond to traffic signals changing color and brake(刹车)in response to arrows that appeared without warning.

    On the tracking task. there was no difference in performance under the three noise conditions. But under both the loud and quiet music conditions. the performers “braked” at a red light about 50 milliseconds sooner than they did when there was no rock music at all. That could mean a reduction in braking distance of a couple of meters actually. the difference between life and death for a pedestrian(行人).

    When it came to the arrows that appeared across the visual field. the psychologists found that when the music was quiet. people responded faster to objects in their central field of sight by about 50 milliseconds. For the people listening at 85 decibels. response times dropped by a further 50 milliseconds—a whole tenth of second faster than those “driving” with no music.

    “But there’s a trade-off.” the psychologists told the European Congress of Psychology. “They lose the ability to look around the whole situation effectively. ” In responding to objects that suddenly appeared. people subjected to 85—decibel rock music were around 100 milliseconds slower than both the other groups. Since some accident—such as children running into the road—take place without any notice. drivers listening to loud music must be less safe as a result.

    25. Which of the following is the best way to make driving safer?

    A. Loud music. B. Quiet music.       C. Silence.       D. Heavy metal music.

    26. What does the phrase “the pulling up” in paragraph two mean?

    A. Stopping.               B. Giving somebody a lift.     

    C. Putting up with.          D. Driving.

    27. Where did the researchers do the experiment?

    A. At crossroads.           B. At a police traffic station.

    C. In a crowed street.        D. Under the same conditions as those of the streets. 

    28. Which of the following is NOT true of loud music?

    A. It helped the performers to brake sooner at red lights.

    B. It helped the performers to be more careful.

    C. It helped the performers to respond faster to objects stepping in the way.

    D. It can do more good than harm to drivers.

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-29
    来源: 2016-2017学年度上学期高一期末考(定稿).doc

          Robots performing tasks according to a predetermined(预先设定的) set of instructions are nothing new. But robots able to learn how to cook by watching videos are a completely different approach, which is conducted by a group of researchers at the University of Maryland.

    If you have posted a video of your favorite recipe on the popular web site YouTube, chances are that it will be used by a robot. University of Maryland professor Hyannis Alimonies, leader of the group, said "there exists a large amount of video information on the Internet that our robots can capitalize on. "

       "At present, the videos are fed electronically," said research scientist Cornelia Ferule, "Originally, we took our own videos, our cameras looking at us doing the cooking." she explained. "And, as the robot advanced, it reacted to good quality videos. And it will react to even lower quality home-made videos. "

    So far, the robot named Julia can make a simple salad by breaking each task into basic parts, such as grasping a spoon, bringing it to the bowl, stirring the salad and observing the results.

    But why teach a robot to understand a video when it can easily follow a fixed program? Alimonies believes predetermined instructions lack flexibility. He thinks one of the problems is how to make the robot understand and use what it learns during a certain task, the so-called feedback(反馈). "I believe it will take quite some time before the robots are able to understand metaphorical(比喻的) language," he added. "But," he said, "we don't need that to create a new world where the robots will be working for us. "

    67. The underlined phrase "capitalize on" probably means ________.

    A. rely on        B.  pay attention to   C. make use of       D. watch over

    68. Alimonies probably agrees that at present the robot  ________.

    A. can not make a simple salad                   B. can not fully understand what it learns

    C. can follow home-made videos                D. can understand metaphorical language

    69. Robots are taught to understand a video mainly because ________.

    A. they can easily follow fixed programs     

    B. they are smart enough to learn cooking

    C. cooking videos are more interesting to watch 

    D. predetermined instructions are not flexible

    70. Which of the following might best serve as the title of the passage?

    A. Robots Creating a New World

    B. Robots Making Cooking Videos

    C. Robots Learning to Cook by Watching Videos

    D. Robots Performing Tasks by Following Instructions

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-28
    来源: 山东省曲阜师范大学附属中学2017届高三上学期期末考试英语试题 Word版含答案.doc

       Giving Many Poppins’s magic umbrella some serious competition is the all high-tech “Oombrella”---not only can it predict the weather, it’s also impossible to lose. The smart umbrella syncs(同步进行) with a smartphone app, sending users updates about weather conditions 30 minutes in advance, and reminders if they happen to leave the device behind. And here’s the added bonus – it won’t ever flip inside-out.

    Designed by French company Wezzoo, the rainbow-colored umbrella comes in two versions – classic and modern. The classic is 3.1-ft long with a curved handle, while the modern version is 0.8-ft long with a straight handle. The company describes the device as a ‘portable weather station’, made of a reflective surface with built in sensors that record real-time data such as light, humidity, pressure, and temperature. The umbrella collects and processes this data as well as information from a social media community before sending out alerts about when it’s going to start raining.

    And if the user happens to accidentally forget it at home on a potentially rainy day, or leaves it in a restaurant, similar alerts will be sent out using GPS technology to make sure you don’t lose it.

    “We wanted to make this umbrella unforgettable in terms of design, too,” explains Alexandre, of Escabo design studio. “We developed an exclusive material. It makes you feel you are holding an aurora borealis(北极光) in your hands. It has effects that are amazing with the light and always changing. It really makes the umbrella special.” The ‘capsule’ that integrates all the technology, making the umbrella smart, is located in the handle.

    The umbrella is all set to hit global online and physical stores this fall. According to a company spokesperson, it will retail at 9 ($86), but the early bird price on Kickstarter is 9 ($64). For those who are rather attached to their current umbrellas, the company will also release an ‘Oombrella capsule’ that can transform any umbrella into a smart device. Now, if only it could make us fly like Mary Poppins!

    32. What does Paragraph 1 mainly tell us about Oombrella?

       A. Its special design          B. Its working principle

       C. Its functions              D. Its structure

    33. Which of the following best shows how Oombrella works?

       A. collect—process—record—predict    B. process—record—collect—predict

       C. record—collect—process—predict    D. record—process---collect---predict

    34. What can we learn from the last paragraph?

       A. Oombrella is already on sale

       B. Early buyers of Oombrella will save money

       C. It’s impossible to turn an ordinary umbrella into a smart one

       D. Oombrella is a magic device that can make us fly

    35. What’s the purpose of the author writing the passage?

       A. To introduce readers a new type of umbrella

       B. To show readers how to predict the weather

       C. To remind readers to take an umbrella at any time

       D. To persuade readers to buy the high-tech umbrella

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-25
    来源: 浙江省浙江大学附属中学2016届高三全真模拟英语试题 Word版含解析.doc

    Women who own cats are more likely to have mental health problems and kill themselves because they can be infected by a common parasite that can be caught from cat littera study has found

    Researchers found women infected with the Toxoplasma gondii Tgondii parasite(刚地弓形虫),which is spread through contact with cat waste or eating undercooked meat or unwashed vegetablesare at increased risk of attempting suicide

    The study involved more than 45000women in DenmarkAbout a third of the world's population is infected with the parasitewhich hides in cells in the brain and musclesoften without producing symptoms

    The infectionwhich is called toxoplasmosis(弓形虫病),has been linked to mental illnesssuch as schizophrenia(精神分裂症),and changes in behavior

    The study's senior author Doctor Teodor Postolachean associate professor of psychiatry(精神病学) at the University of Maryland School of Medicine in the United Statessaid"We can't say with certainty that Tgondii caused the women to try to kill themselvesbut we did find a predictive association between the infection and suicide attempts later in life that deserves additional studies"

    Doctor Albert Reecevice president of medical affairs at the University of Marylandsaid"Tgondii infection is a major public health problem around the worldand many people don't realize they're infected

    "Dr Postolache is a leading expert on suicide neuroimmunology(神经免疫学).Suicide is a critically important mental health issueAbout one million people commit suicide and another 10million attempt suicide worldwide each yearWe hope that this type of research will one day help us find ways to save many lives that now end too early in suicide"

    DrPostolache's research team at the University of Maryland was the first to report a connection between Tgondii and suicidal behavior in 2009He is cooperating with researchers in DenmarkGermany and Sweden to confirm and investigate the way leading to this association

    The Tgondii parasite thrives in the intestines of catsand it is spread through their wasteAll warmblooded animals can become infected through contact with itHumans can become infected by changing their infected cats'litter boxeseating unwashed vegetablesdrinking water from a polluted sourceor by eating undercooked or raw meat

    Not washing kitchen knives after preparing raw meat before handling another food item also can lead to infectionPregnant women can pass the parasite directly to their unborn babies and are advised not to change cat litter boxes to avoid possible infection

    Babies don't produce antibodies to Tgondii for three months after they are bornso the antibodies present in their blood represented infection in the mothersThe scientists studied Danish health patients to determine if any of these women later attempted suicideincluding cases of violent suicide attempts which may have involved gunssharp instruments and jumping from high places

    The study found that women infected with Tgondii were one and a half times more likely to attempt suicide compared to those who were not infectedand the risk seemed to rise with increasing levels of the Tgondii antibodies

    Dr Postolache noted limitations to the studysuch as the inability to determine the cause of the suicidal behavior

    The findings were published online in the Archives of General Psychiatry

    50The objects of the research are women from    

    ADemark Bthe USA CGermany DSweden

    51The common way which is more likely to be infected with the disease is   

    Ato eat unwashed vegetables or undercooked meat

    Bto clean a place where a cat once lived for a time

    Cto pass the infection to her unborn baby during a woman's pregnancy

    Dto reuse kitchen tools which have been used to cut raw meat

    52What is the consequence if a woman is infected with the parasite in the passage    

    AHaving a high fever

    BDoing deliberate selfharm

    CKeeping a depressed mood

    DBecoming bad tempered

    53What can be inferred from the passage   

    AWomen have a higher risk to be infected by the parasite than men

    BThe result of the research may help the scientists to find ways to stop suicide in advance

    CThe scientists will continue their research into the possible connection

    DThe risk of being infected seems to rise with the decreasing levels of the antibodies

    54Which of the following statements would probably be the best title of the passage    

    AWhy are women more likely to commit suicide

    BWomen should keep away from cats

    CWays found to deal with women's mental problems

    DAre women who own cats at a suicide risk

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-24
    来源: 四川省某重点高中2015-2016学年高一下学期期末英语试卷 Word版含解析.doc

    Weeks have passed since the world lost contact with Malaysia Airlines flightMH370and its 239passengers and crew

    Although there is little hope of finding any of the passengers and crew aliveChina has been making allout efforts to find what remains of the plane in the southern Indian Oceanwhere the plane is believed to have crashedThe search operations involve the navythe marine policescientific research and so onWhile China's authorities and military forces have passed the testthe search operations have also shown some weaknessesIt is necessary to address these problems because China is a nation that faces many natural disasters

    Lack of professional equipment has been the most notable problemAmong all the ships involved in the search for MH370only Nanhai jiu 115and Donghai jiu 101and a few other ships have professional rescue equipmentThere are also gaps between China and the US in other technologies such as seaprobing (探测)equipment and telecommunicationsChina mainly sent transporter planeswhich lacked the necessary equipment to probe the oceanWhile the United States sent P3C and PSA planes and MH60R helicopters with equipment that can probe to depths of 76meters and cover 770sq kilometers in four hours

    China's technology clearly needs to be improvedAfter the plane lost contact on March 8more than one satellite received signals from itbut there is no report of any of China's satellites receiving a signal

    Besides technologyChina urgently needs to strengthen its international soft powerbecause almost all the important information was first obtained by Western mediawhich put pressure upon the Malaysian government for more timely and accurate informationChinese media mainly forwarded the news broken by their Western colleagues

    Last but not leastmore attention should be paid to international cooperationThe search and rescue efforts could well have been a race against time to save livesbut limited by international laws and the absence of cooperation mechanismsChina and some other countries involved did not fully share timely information

    39What is China's most urgent problem to be deal with in rescue work according to the passage    

    ALack of international cooperation

    BNot sharing timely information

    CLack of professional equipment

    DToo many natural disasters

    40Which of the following shows that China's technology needs improving    

    ANone of its satellites received any signal after MH370lost touch

    BOnly a few ships have professional rescue equipment

    CThe military forces did not find the missing plane

    DChinese media mainly forwarded the news broken by their Western colleagues

    41What is the best title for this passage    

    AMH370come back home now

    BChina makes allout efforts to find what remains of MH370

    CLessons to be learnt from MH370search

    DWhy the missing MH370cannot be found

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-24
    来源: 陕西省延安市黄陵中学2015-2016学年高一下学期期末英语试卷 Word版含解析.doc

    Why do Americans struggle with watching their weightwhile the Frenchwho consume(消费) rich foodcontinue to stay thinNow a research by Cornell University suggests how life style and decisions about eating may affect weightResearchers concluded that the French tend to stop eating when they feel fullHoweverAmericans tend to stop when their plate is empty or their favorite TV show is over

    According to DrJoseph Mercolaa health expertthe French see eating as an important part of their life styleThey enjoy food and therefore spend a fairly long time at the tablewhile Americans see eating as something to be squeezed between the other daily activitiesMercola believes Americans lose the ability to sense when they are actually fullSo they keep eating long after the French would have stoppedIn additionhe points out that Americans drive to huge supermarkets to buy canned and frozen foods for the weekThe Frenchinsteadtend to shop dailywalking to small shops and farmers'markets where they have a choice of fresh fruitsvegetablesand eggs as well as highquality meats for each meal

    After a visit to the United StatesMireille Guilianoauthor of French Women Don't Get Fatdecided to write about the importance of knowing when to stop rather than suggesting how to avoid foodToday she continues to stay slim and rarely goes to the gym

    In spite of all these differencesevidence shows that recent life style changes may be affecting French eating habitsToday the rate of obesityor  extreme overweightamong adults is only 6%Howeveras American fast food gains acceptance and the young reject older traditionsthe obesity rate among French children has reached 17%and is growing

    29In what way are the French different from Americans according to DrJoseph Mercola    

    AThey go shopping at supermarkets more frequently

    BThey squeeze eating between the other daily activities

    CThey regard eating as a key part of their lifestyles

    DThey usually eat too much canned and frozen food

    30This text is mainly the relationship between    

    AAmericans and the French         

    Blife style and obesity(肥胖)

    Cchildren and adults      

    Dfast food and overweight

    31The text is mainly developed    

    Aby contrast (对比)

    Bby space       

    Cby process     

    Dby classification

    32Where does this text probably come from     

    AA TV interview 

    BA food advertisement 

    CA health report  

    DA book review

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-24
    来源: 黑龙江省牡丹江一高2015-2016学年高二下学期期末英语试卷 Word版含解析.doc

    The iPhonethe iPad and the iPodEach of Apple's products sounds cool and has become a fashionApple has cleverly taken advantage of the power of the letter"i"and many other brands are following suitThe BBC's iPlayerwhich allows Web users to watch TV programs on the Internetadopted the title in 2008A lovely bear popular in the US and UK that plays music and video is called"iTeddy"A slimmeddown version of London's Independent newspaper came out last week under the name"i"

    In generalsingleletter prefixes have been popular since the 1990swhen terms such as email and ecommerce first came into use

    Most"i"products are aimed at young people and considering the major readers of Independent's"i"it is no surprise that they've chosen this fashionable name

    But it's hard to see what's so special about the letter"i"Why not use"a""b"or"c"insteadAccording to Tony Thornehead of the Language Center at King's CollegeLondon"i"works because its meaning has become ambiguousWhen Apple uses"i"no one knows whether it means Internetinformationindividual or interactiveMrThorne told BBC Magazines"Even when Apple created the iPadit seems it didn't have one clear definition"

    "Howeverthanks to Applethe term is now associated with portability (轻便),"adds Thorne

    Clearly the letter"i"also agrees with the idea that the Western World is centered on the individualEach person believes they have their own needsand they love personalized products for this reason

    Along with"Google"and"Twitter"readers of BBC Magazines voted"i"as one of the top 20words that have come to define the last decade

    But as history showsfashions come and goFrom the 1900s to 1990sproducts with"2000"in their names became fashionable as the year was associated with all things advanced and modernHoweveras we entered the new centurythe trend inevitably disappeared

    12People use the iPlayer to    

    Alisten to music  

    Bmake a call  

    Cread newspapers

    Dwatch TV programs online

    13From the passagewe know that the Independent's"i"is aimed at   

    Aold readers     

    Byoung readers

    Cfashionable women

    Dengineers

    14Nowadaysthe"i"term often reminds people of the products which are    

    Aportable     

    Badvanced      

    Crecyclable     

    Denvironmentally friendly

    15The author of the passage would probably agree that  

    A"i"products are often of high quality

    Ball"i"products have something to do with Internet

    Cthe popularity of"i"products may not last long

    Dthe iTeddy is a live bear

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-24
    来源: 黑龙江省牡丹江一高2015-2016学年高二下学期期末英语试卷 Word版含解析.doc

    A few months ago the potato was considered an enemy in the obesity battle but a new study shows the food isn't that bad after all

    In Juneresearchers from Harvard University found that eating some of the potato[]every daywhether mashed(被磨碎),deep fried or bakedcaused more weight gain than an extra can of drink or red or some kind of meatThe conclusion was that it happened because potatoes were always cooked﹣﹣﹣﹣﹣making it easier for the body to change the starch(淀粉) which would increase the blood sugar levelsThe body then had to work extra hard to get levels down but falling blood sugar made people hungrywhich led to eating more food

    But a University of Otago study showed today brought some good news for spud loversIt found it was hard to tell the glycemic indexGI)(血糖指数) level of mixed meals for persons"In generaldifferent foods are tested for GI and it is less usual to test the GI for a whole meal"one of the study's authorsHayley Doddsaid"Howeverin this studythe GIs of three meals were testedThe meals all contained chickenpeascarrots and mutton together with a lot of food including potatowhite rice or spaghetti"

    It found the GI for each meal lower than thought researchers had expected the potato meal would have a GI of 65but it came in at 53which was low"Although potato is highGI food into their meals﹣﹣﹣﹣﹣our work suggests that having a small amount of potato with a meal isn't going to drive your blood sugar high

    The study involved 30healthy people aged 1850The research has been published in the October issue of the American

    8The underlined word"spud"in the third paragraph may mean    

    Achicken     

    Bpea    

    Ccarrot    

    Dpotato

    9The potato will make people fat easily when    

    Ait is eaten raw  

    Bit is cooked  

    Cit has blood sugar

    Dit is eaten[]with drinks

    10If a person has a low blood sugarhe will    

    Afeel angry quickly

    Bbecome hungry easily 

    Cget thin soon  

    Deat food slowly

    11From the study of the University of Otago we can know    

    Apeople will get fatter and fatter if they eat potatoes

    Bpotatoes won't make people fat if eaten with others

    Che glycemic index in the potatoes is very low

    Dpotatoes are the main enemy in the obesity battle

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:3 入库时间:2017-03-23
    来源: 贵州省遵义航天高级中学2016年高考英语模拟试卷(5月份) Word版含解析.doc

    An environmental group called the Food Commission is unhappy and disappointed because of the sales of bottled water from JapanThe waterit angrily argues in publichas traveled 10000"food miles"before it reached Western customersTransporting water halfway across the world is surely the extremely stupid use of fuel when there is plenty of water in the UKIt is also worrying that we were wasting our fuel by buying prawns from Indonesia 7000food miles and carrots from South Africa 5900food miles).

    Counting the number of miles traveled done by a product is a strange way of trying to tell the true situation of the environmental damage due to industryMost food is transported around the world on container ships that are extremely energy efficientIt should be noticed that a ton of butter transported 25miles in a truck to a farmers'market doesn't necessarily use less fuel on its journey than a similar product transported hundreds of miles by seaBesidesthe idea of"food miles"ignores the amount of fuel used in the productionIt is possible to cut down your food miles by buying tomatoes grown in Britain rather than those grown in GhanaThe difference is that the British ones will have been raised in heated greenhouse and the Ghanaian ones in the open sun

    What is the idea of"food miles"does providehoweveris the chance to cut out Third World countries from First World food marketsThe number of miles traveled by our food shouldas I see itbe regarded as a sign of the success of the global trade systemnot a sign of damage to the environment

    9The Food Commission is angry because it thinks that    

    AUK wastes a lot of money importing food products

    Bsome imported goods causes environmental damage

    Cgrowing certain vegetables causes environmental damage

    Dpeople wasted energy buying food from other countries

    10The phrase"food miles"in the passage refers to the distance    

    Athat a food product travels to a market

    Bthat a food product travels from one market to another

    Cbetween UK and other food producing countries

    Dbetween a Third World country and a First World food market

    11By comparing tomatoes raised in Britain and in Ghanathe author tries to explain that      

    ABritish tomatoes are healthier than Ghanaian ones

    BGhanaian tomatoes taste better than tomatoes ones

    Ccutting down food miles may not necessarily save fuel

    Dprotecting the environment may cost a lot of money

    12From the passage we know that the author is most probably    

    Aa supporter of free global trade

    Ba member of a Food Commission

    Ca supporter of First World food markets

    Da member of an energy development group

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-23
    来源: 贵州省遵义航天高级中学2016年高考英语模拟试卷(5月份) Word版含解析.doc

    Death rates for heart disease in Britain have dropped by more than 40percent in a decadeUK scientists will report today

    Wide uptake of cholesterolbusting statin drugs(降胆固醇药),healthier lifestyles and better medical practices have seen a huge reduction in deaths caused by heart attacksstroke and other cardiovascular(心血管的) problems

    Howeverheart disease remains Britain's biggest killer

    The new studyby experts at Oxford Universityshows there has been a 44.4percent drop in death rates among men in the UK and a 43.6percent drop among women linked to heart problems in the ten years to 2011

    The team compared death rate associated with cardiovascular disease across EuropeThey found that Britain has one of the best records in Europewith 342deaths as a result of heart disease per 100000men in 2011and 232per 100000women

    Some nations﹣﹣﹣including UkraineMacedonia and Moldovasee more than 1000heart deaths per 100000of the population

    Overallheart disease causes 45percent of all deaths across Europebut only 27percent in the UKThe studyled by Dr Nick Townsendshowed that cardiovascular disease is mainly a disease of old age

    But researchers said that across Europe  it  still causes more than 1.4million deaths in those aged under 75and nearly 700000deaths in under 65sDr Townsend said"Cardiovascular disease results in 49percent of deaths among women and 41per cent among men"

    5From the text we can know   

    Aheart disease no longer threatens the British

    Bthe heart death rate among British men is lower than among women

    Cthe old mainly dies of stroke in Europe

    Dthe heart death rate in Ukraine is higher than in Britain

    6What does the underlined word"it"in the last paragraph refer to    

    AStroke   

    BCardiovascular disease

    CLung disease

    DHeart attacks

    7How does the author support his idea  

    ABy analyzing data

    BBy following processes

    CBy describing his own experiences

    DBy discussing research experiments

    8Where is the text most likely to have been taken from    

    AA speech                BA story        

    CA scientific study      DA personal diary

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:2 入库时间:2017-03-23
    来源: 海南省海口市国科园实验学校2015-2016学年高二下学期期末英语试卷 Word版含解析.doc

    Cell phonesIs there a cancer link

    Could your cell phone give you cancerWhether it could or notsome people are worrying about the possibility that phonespower lines and WiFi could be responsible for a range of illnessesfrom rashes to brain tumors

    Some say there is evidence to support the growing anxietiesDavid Carpentera professor of environmental health sciences at the university at Albanyin New Yorkthinks there's a greater than 95percent chance that power lines can cause childhood leukemia (白血病).Also there's a greater than 90percent chance that cell phones can cause brain tumors"It's apparent now that there's a real risk"said Carpenter

    But others believe these concerns are not  justifiedDr Martha Linethead of radiation epidemiology (流行病学) at the US National Cancer Institutehas looked at the same research as Carpenter but has reached a different conclusion"I don't support warning labels for cell phones"said Linet"We don't have the evidence that there's much danger"

    Studies so far suggest a weak connection between EMFs (电磁场) and illnessso weak that it might not exist at allA multinational investigation of cell phones and brain cancerin 13countries outside the UShas been underway for several yearsIt's funded in part by the European Unionin part by a cell phone industry groupThe final report should come out later this yearbut data so far don't suggest a strong link between cell phone use and cancer risk

    42From the passage we can learn that some people are worried because    

    Athey have evidence that the use of cell phones can lead to cancer

    Bthey feel surprised and alarmed about cell phone use

    Csome experts have given a warning

    Dcell phones are responsible for brain tumors

    43By saying"I don't support warning labels for cell phones"Dr Martha Linet has the idea that    

    Athe worrying is unnecessary           

    Bcancerwarning labels should be on cell phones

    Cthere is a link between cell phones and cancer  

    Dcell phones have nothing to do with cancer

    44Which of the following best describes the attitude of the author towards the debate  

    AOptimistic

    BObjective

    COpposite

    DCasual

    45The underlined word"justified"in Paragraph 3is closest in meaning to    

    Aexplained   

    Bconfirmed (证实、确认)

    Cclassified   

    Drestricted (限制)

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-23
    来源: 贵州省铜仁市第一中学2017届高三上学期第三次模拟考试英语试题 Word版含解析.doc

    When looking for diet plans to gain muscle there are some great tips that can help you to ensure that you are eating to help you build the muscle that you want. Your diet is just as important as exercise when you attach importance to your diet, it can help you to reach your goal much faster.

    You will find that you will eat lean meat almost daily. If you eat meat each day this can help you to keep your figure. The trick with beef is to find lean cuts and this is something that can provide you with protein. Fish and turkey will also be included in the diet. Chicken has some rules and you should always eat skinless and avoid frying.

    Fiber is something that is not talked much about when looking for a muscle building diet, but this is basis part of the muscle building diet. Fiber has many benefits and will aid in digestion and help you to feel full. Oatmeal (燕麦片) is a great source of fiber, but you should avoid the premade oatmeal. Fruit and vegetables contain a lot of fiber and this can also aid in weight loss if this is a problem you are working on.

    If you want to complete your workout more effectively, you need to make sure that you are drinking adequate amount of water each day. Your body is made up of water and you need to replenish (补充) this water source each day in order to be in the best shape. If you are completing a very intense workout, you will need to make sure that you are drinking even more water to stay hydrated(含水的).

    When protein(乳清蛋白质) is a great way for busy individuals to get the protein they need on the go. You will use soy and tofu for sources of protein if you do not eat meat and this can be a wonderful alternative.

    There are diet plans to gain muscle for every category. You can make minor adjustments to your diet that can have some great benefits.

    21. What’s the best title of the passage?

    A. Proper diets can help build your muscle    B. The diet is not as important as exercise

    C. Diet plans are very important            D. Paying attention to your diet

    22. When you eat chicken, you should always_______.

    A. eat chicken with skin                          B. eat baked chicken

    C. not eat chicken with skin and the fried            D. not eat boiled chicken

    23. What’s the main idea of Paragraph3?

    A. Oatmeal is a great source of fiber         B. Fruit and vegetables contain a lot of fiber

    C. Losing weight needs fiber               D. The function of fiber

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-22
    来源: 广东省肇庆市2017届高三上学期第二次模拟考试英语试题 Word版含解析.doc

    A new international study shows that some people's biological clock plays a powerful role for their life expectancy, regardless of lifestyle choices.

    Published in the latest issue of Aging on Wednesday, the study has found the most definitive evidence to explain why some people keep healthy lifestyle but die younger than others.

    Geneticist Steve Horvath from the University of California, Los Angeles (UCLA), led a team of 65 scientists around the world to record age-related changes to human DNA, analyse blood samples collected from 13,000 people and estimate their lifespan.

    A higher biological age, regardless of actual age, consistently predicts an earlier death, the study says.

    "You get people who are vegan, sleep 10 hours a day, have a low-stress job, and still end up dying young," Horvath said in a statement. "We have shown some people have a faster innate aging rate."

    The findings discovered that 5 percent of the population ages at a faster biological rate, which translated to a roughly 50 percent higher than average risk of death at any age.

    "The great hope is that we find anti-aging interventions that would slow your innate aging rate," Horvath said, adding that "this is an important milestone to realizing this dream."

    24. Some people keep healthy lifestyle but die younger than others because ______.

        A. their biological clock is not powerful enough

        B. the most definitive evidence has been found

        C. they have a higher actual age than others

        D. they ages at a relatively faster biological rate

    25. How was the study conducted?

        A. By collecting and analyzing data

        B. By interviewing lots of people

        C. By researching previous studies

        D. By studying different lifestyles

    26. According to the study, it can be inferred that ______.

        A. people who keep healthy lifestyle tend to live longer

        B. people’s lifespan can be predicted by their age

        C. 5 percent of people are believed to have a faster innate aging rate

        D. anti-aging interventions have proved to slow the innate aging rate

    27. Which of the following would be the best title for the passage?

        A. We all should keep healthy lifestyle

    B. Geneticist finds anti-aging interventions

    C. Biological clock predicts life expectancy

    D. Horvath builds an important milestone

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-22
    来源: 广东省肇庆市2017届高三上学期第一次统一检测英语试题 Word版含解析.doc

    Attitude is an internal(内在的)state that influences the choices of personal action made by the individual. Some researchers consider that attitudes come from differences between beliefs and ideas; others believe that attitudes come from emotional states. Here, we focus on the effects of attitudes upon behavior, that is, upon the choices of action made by the individual.

    The kinds of actions taken by human beings are obviously influenced greatly by attitudes. Whether one listens to classical music or rock, whether one obeys the speed limit while driving, whether one encourages one’s husband or wife to express his or her own ideas----all are influenced by attitudes. These internal states are acquired throughout life from situations one is faced with in the home, in the streets, and in the school.

    Of course, the course of action chosen by an individual in any situation will be largely determined by the particulars of that situation. An individual who has a strong attitude of obeying laws may drive too fast when he is in a hurry and no police cars in sight. A child who has a strong attitude of honesty may steal a penny when she thinks no one will notice. But the internal state which remains unchanged over a period of time, and which makes the individual behave regularly in a variety of situations, is what is meant by an attitude.

    Attitudes are learned in a variety of ways. They can result from single incidents , as when an attitude toward snakes is acquired by an experience in childhood at the sudden movement of a snake. They can result from the individual’s experiences of success and pleasure, as when someone acquires a positive attitude toward doing crossword puzzles by being able to complete some of them. And frequently, they are learned by copying other people’s behavior, as when a child learns how to behave toward foreigners by observing the actions of his parents. Regardless of these differences, there is something in common in the learning and modification(修正) of attitudes.

    32.According to the passage, we know attitudes _________.

    A. are largely affected by one’s behavior

    B. come from different situations in one’s life

    C. remain unchanged in one’s daily life

    D. could be chosen according to one’s will

    33.Which of the following is TRUE about the learning of attitudes?

    A. Attitudes are only learned through one’s success.

    B. Copying others’ behavior is not a good idea.

    C. Attitudes can be learned from one’s parents.

    D. Attitudes learned in danger will last longer.

    34. The author uses the examples in Paragraph 3 to show____________.

    A. particulars of a situation may influence an individual’s action

    B. people with good attitudes may sometimes do bad deeds

    C. an individual may change his or her attitude fairly easily

    D. people often make mistakes when they are not noticed

    35. Which of the following can be learned from the passage?

    A. Researchers believe that attitudes only come from emotional states.         

    B. Attitudes have a bad influence on actions.

    C. An honest child won’t steal a penny.            

    D. Attitudes can be learned either by one’s experience or by observing the actions of others.

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-22
    来源: 广东省茂名市高州中学2015-2016学年高二下学期期末英语试卷 Word版含解析.doc

    Since the 1970sscientists have been searching for ways to link the brain with computersBraincomputer interfaceBCI technology could help people with disabilities to send orders to machines

    Recentlytwo researchersJose Milan and Michele Tavella from the Federal Polytechnic school in LausanneSwitzerlandshowed a small robotic wheelchair directed by a person's thoughts

    In the laboratoryTavella operated the wheelchair just by thinking about moving his left or right handHe could even talk as he watched the vehicle and guided it with his thoughts

    "Our brain has billions of nerve cellsThese send signals through the spinal cord (脊髓)to the muscles to give us the ability to moveBut spinal cord injuries or other cases can prevent these weak signals from reaching the muscles"Tavella says"Our system allows disabled people to communicate with the outside world and also to control machines"

    The researchers designed a special cap for the userThis cap picks up the signals from the scalp(头皮) and sends them to a computerThe computer interprets the signals and commands the robotic wheelchairThe wheelchair also has two cameras that identify objects in its pathThey help the computer react to commands from the brain

    ProfMilanthe team leader says his team has set two goalsOne is testing with real patientsso as to prove that this is a technology they can benefit fromAnd the other is to guarantee that they can use the technology over long periods of time

    12How did Tavella operate the wheelchair in the laboratory    

    ABy controlling his muscles

    BBy talking to the machine

    CBy moving his hand

    DBy using his mind

    13Which of the following shows the path of the signals described in Paragraph 5    

    Ascalp→computer→cap→wheelchair   

    Bcomputer→cap→scalp→wheelchair

    Cscalp→cap→computer→wheelchair   

    Dcap→computer→scalp→wheelchair

    14The team will test with real patients to    

    Amake profits from them             

    Bprove the technology useful to them

    Cmake them live longer              

    Dlearn about their physical condition

    15Which of the following would be the best title for the text    

    ASwitzerlandthe BCI Research Center

    BNew Findings About How the Human Brain Works

    CBCI Could Mean More Freedom for the Disabled

    DRobotic Vehicles Could Help to Cure Brain Injuries

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-22
    来源: 广东省茂名市高州中学2015-2016学年高二下学期期末英语试卷 Word版含解析.doc

    Modern inventions have speeded up people's lives amazinglyMotorcars cover a hundred miles in a little more than an hourAircrafts cross the world a daywhile computers operate at a lightning speedIndeedthis love of speed seems neverendingEvery year motorcars are produced which go even faster and each new computer boasts (吹嘘)of saving precious seconds in handling tasks

    All this saves timebut at a priceWhen we lose or gain half a day in speeding across the world in an airplaneour bodies tell us soWe get the uncomfortable feeling known as jetlag(时差); our bodies feel that they have been left behind in another time zoneAgainspending too long at computers results in painful wrists and fingersMobile phones also have their dangers according to some scientists too much use may transmit harmful radiation into our brainsa consequence we do not like to think about

    Howeverwhat do we do with the time we have savedCertainly not relaxor so it seemsWe are so accustomed to constant activity that we find it difficult to sit and do nothingor even just one thing at a timePerhaps the days are long gone when we might listen quietly to a story on the radioletting imagination take us into another world

    There was a time when some people's lives were devoted simply to the cultivation of the land or the care of cattleNo multitasking there their lives went on at a much gentler paceand in a familiar patternThere is much that we might envy about a way of life like thisYet before we do sowe must think of the hard tasks our ancestors facedthey farmed with bare handsoften lived close to hungerand had to fashion tools from wood and stoneModern machinery has freed people from that primitive existence

    8The new products become more and more timesaving because     

    Aour love of speed seems neverending       

    Btime is limited

    Cthe prices are increasingly high                

    Dthe manufacturers boast a lot

    9What does"the days"in Paragraph 3refer to     

    AImaginary life                           

    BSimple life in the past

    CTimes of inventions                         

    DTime for constant activity

    10What is the author's attitude towards the modern technology     

    ACritical           

    BObjective             

    COptimistic          

    DNegative

    11What does the passage mainly discuss    

    AThe present and past times              

    BMachinery and human beings

    CImaginations and inventions           

    DModern technology and its influence

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:1 入库时间:2017-03-22
    来源: 广东省惠州市2016届高三4月模拟考试英语试题 Word版含解析.doc

    As the proverb goesman struggles upwards water flows downwardsWater runs downhill from mountaintops to streamsto rivers and to oceansBut downhill isn't the only way that water movesA new study measures how water travels from country to country for human consumptionThis flow isn't the type we usually think aboutThese scientists looked at the water used to grow and make the products which get shipped from nation to nation as imports or exportsThey call this a flow of"virtual water"

    We typically think about water as the liquid that flows from a tapHowever92%of the water used by people goes into growing cropsaccording to a water researcher Arjen HoekstraHe recently studied the hidden travels of virtual water used in products made from things like crops and meatsThese products are shipped around the world

    For exampleconsider a sugary soft drinkHoekstra estimated that to produce one halfliter of the drink requires between 170and 310liters of waterabout 95% is used to grow and process the ingredients(原料).Another 4% goes into the packaging and labelingIn Hoekstra's calculationwhen one country produces a halfliter of soda and sells it abroadit exports as much virtual water as would fill a large refrigerator

    According to Hoekstra's new reportdry countries like Israel and Kuwaitboth in the Middle Eastget the majority of their virtual water from other countriesthrough imported productsMore surprisinglysome wetter countrieslike the Netherlands and the United Kingdomalso get the majority of their virtual water from other placesThat means that most of the water used to grow or produce the products and food consumed in those countries came from other countries

    25The proverb in Paragraph One is used to    

    Ainspire readers to struggle upward       

    Btell a law of nature

    Cintroduce the topic of the passage        

    Dsummarize the main idea of the passage

    26In which countries does most part of virtual water come from outside  

    AThe United Kingdom and China        

    BAmerica and Israel

    CThe Netherlands and Kuwait           

    DThe Netherlands and America

    27What can be a suitable title for the passage    

    ABenefits of Virtual Water            

    BHidden Uses of Water

    CCrops and Virtual Water            

    DWater's Worldwide Travels

    28Where does the passage probably come from    

    AA science news report

    BA newspaper advertisement

    CA book review

    DA science fiction story

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:0 入库时间:2017-03-22
    来源: 广东省广州市执信中学2015-2016学年高二下学期期末英语试卷 Word版含解析.doc

    If you think a highfactor sunscreen (防晒霜) keeps you safe from harmful raysyou may be wrongResearch in this week's Nature shows that while factor 50reduces the number of melanomas (黒瘤) and delays their occurrenceit can't prevent themMelanomas are the most aggressive skin cancersYou have a higher risk if you have red or blond hairfair skinblue or green eyesor sunburn easilyor if a close relative has had oneMelanomas are more common if you have periodic intense exposure to the sunOther skin cancers are increasingly likely with longterm exposure

    There is continuing debate as to how effective sunscreen is in reducing melanomas﹣﹣﹣the evidence is weaker than it is for preventing other types of skin cancerA 2011Australian study of 1621people found that people randomly selected to apply sunscreen daily had half the rate of melanomas of people who used cream as neededA second studycomparing 1167people with melanomas to 1101who didn't have the cancerfound that using sunscreen routinelyalongside other protection such as hatslong sleeves or staying in the shadedid give some protectionThis study said other forms of sun protection﹣﹣﹣not sunscreen﹣﹣﹣seemed most beneficialThe study relied on people remembering what they had done over each decade of their livesso it's not entirely reliableBut it seems reasonable to think sunscreen gives people a false sense of security in the sun

    Many people also don't use sunscreen properly﹣﹣﹣applying insufficient amountsfailing to reapply after a couple of hours and staying in the sun too longIt is sunburn that is most worrying﹣﹣﹣recent research shows five episodes of sunburn in the teenage years increases the risk of all skin cancers

    The good news is that a combination of sunscreen and covering up can reduce melanoma ratesas shown by Australian figures from their slipslopslap campaignSo if there is a heat wave this summerit would be best for ustooto slip on a shirtslop on (抹上) sunscreen and slap on a hat

    12What does the research in Nature say about a highfactor sunscreen    

    AIt is ineffective in preventing melanomas

    BIt is ineffective in case of intense sunlight

    CIt is ineffective with longterm exposure

    DIt is ineffective for people with fair skin

    13What do we learn from the 2011Australian study of 1621people    

    ASunscreen should be applied alongside other protection measures

    BHighrisk people benefit the most from the application of sunscreen

    CIrregular application of sunscreen does women more harm than good

    DDaily application of sunscreen helps reduce the incidence of melanomas

    14What does the author say about the second Australian study  

    AIt misleads people to rely on sunscreen for protection

    BIt helps people to select the most effective sunscreen

    CIt is not based on direct observation of the subjects

    DIt confirms the results of the first Australian study

    15What does the author suggest to reduce melanoma rates  

    AUsing both covering up and sunscreen

    BStaying in the shade whenever possible

    CUsing covering up instead of sunscreen

    DApplying the right amount of sunscreen

    题型:阅读理解  知识点:科普环保类阅读
  • 难度: 使用次数:2 入库时间:2017-03-21
    来源: 甘肃省天水市第一中学2017届高三上学期第二阶段考试英语试题 Word版含解析.doc

    An American psychotherapist (理疗家) Glenn Doman wrote a best-selling book called How to Teach Your Baby to Read in 1963. Now translated into 17 languages, this book arose from his work with brain-damaged children in Pennsylvania. Doman and his team of specialists had wondered why brain-injured children didn't improve with treatment. Then they realized that orthodox(传统的) methods of treatment only relieved the symptoms, not the problem, which of course was the brain itself. So they develop a new approach. "All we do for all the children here is to give them visual, auditory (听觉的) and tactile (触觉的) stimulation with increased frequency, intensity and duration, in recognition of the orderly way in which the brain grows," says Doman. "The result was that by 1960 we had hundreds of severely brain-injured two-year-olds who could read and understand." The team had discovered that even children who had half their brains removed could, by stimulation, achieve higher IQs than the average normal child.

        Then the team began to think if such amazing results could be achieved with brain-damaged children, what would happen if the same treatment were given to normal children? So eight years ago the Better Baby Institute was opened for the benefit of normal children. The same stimulating environment was provided, and by the time the children left, around seven years old, they could generally speak and read three foreign languages, play a musical instrument, read three full-length (标准长度的) books a week and do all the other things that a so-called "normal" child could do.

        In Doman's view, the child's passion to learn during the years up to six must be fed. He believes that, like muscles, the brain develops with use, especially so in those first few years.

        Nowadays, parents come from all over the world to Pennsylvania to see and learn from the work

    of Doman and his team; they want to discover how they can fulfill their roles as nature's teachers, by using their love, understanding and instincts for the benefit of the children. For in the words of Doman, "every child born has a greater potential intelligence than Leonardo da Vinci used".

    11. Glenn Doman discovered in his research that brain-damaged children improved then they ____.

      A.got the right treatment

      B.were taught to read and understand

      C.could speak several languages

      D.got relief of their symptoms

    12. The passage suggested that Doman's new approach was to _____.

      A.give shorter periods of decreased stimulation

      B.increase the number of types of stimulation

      C.decrease the time between the periods of stimulation

      D.intensify the shorter periods of stimulation

    13. From the information given in the text, we can assume that _____ .

      A.brain-damaged children generally have high IQs

      B.children with only half a brain are more intelligent

      C.brain-damaged children can overcome their disability

      D.most normal two-year old children can read

    14.  At the Better Baby Institute ______.

      A.unnatural development of children was achieved

      B.children developed at a normal standard rate

      C.the idea of "normal" achievement was challenged

      D.children needed seven years to develop normality

    15. Parents come to the Institute because they want _____.

      A.their children to become as intelligent as Leonardo da Vinci

      B.to learn how to teach their children about nature

      C.to develop their own abilities to help their children

      D.their children to develop instincts of love and understand

    题型:阅读理解  知识点:科普环保类阅读