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Experience the newly opened Grand Canyon （大峡谷） West Skywalk in Colorado．Departing from Grand Canyon's South Rim by Airplane to Grand Canyon's West Rim，you will land and take a ground tour to the Skywalk!Walk on air for 70feet over the edge of Grand Canyon West．

This Skywalk has been open since March 28，2007．Daily visitorship to the Skywalk has been over 4，000people．Please be patient to enjoy your moment on the Skywalk．

After you have experienced the one and only Grand Canyon Skywalk Glass Bridge，you will return to the Grand Canyon West Airport and take your Airplane for a flight back to the South Rim of the Canyon．This is a tour never to be forgotten as you will have walked on air over the Grand Canyon．

Tour Itinerary （行程）

1．This advertisement is for　  　．

A．Grand Canyon West   

B．Grand Canyon South

C．Grand Canyon      

D．the Skywalk

2．The package fee does NOT cover the cost of　  　．

3．According to the Tour Itinerary，the route is　  　．

A．South Rim→Guano Point→West Airport→Eagle Point→West Airport→South Rim

B．South Rim→West Airport→Guano Point→Eagle Point→West Airport→South Rim

C．South Rim→West Airport→Eagle Point→Guano Point→West Airport→South Rim

D．South Rim→West Airport→Eagle Point→West Airport→Guano Point→South Rim．

Alex Pang's amusing new book The Distraction Addiction addresses those of us who feel panic without a cellphone or computer．And that，he claims，is pretty much all of us．When we're not online，where we spend four months annually，we're engaged in the stressful work of trying to get online．

The Distraction Addiction is not framed as a self﹣help book．It's a thoughtful examination of of how technological advances change consciousness．A"professional futurist"，Pang urges an approach which he calls"contemplative （沉思的） computing．"He asks that you pay full attention to"how your mind and body interact with computers and how your attention and creativity are influenced by technology．"

Pang's first job is to free you from the common misconception that doing two things at once allows you to get more done．What is commonly called multitasking is，in fact，switch﹣tasking，and its harmful effects on productivity are well documented．Pang doesn't advocate returning to a pre﹣Internet world．Instead，he asks you to"take a more ecological view of your relationships with technologies．Modern devices or media may be making specific tasks easier or faster but at the same time making your work and life harder．"

The Distraction Addiction is particularly fascinating on how technologies have changed certain fields of labor﹣often for the worse．For architects，computer﹣aided design has become essential but in some ways has cheapened the design process．As one architect puts it，"Architecture is first and foremost about thinking…and drawing is a more productive way of thinking"than computer﹣aided design．Somewhat less amusing are Pang's solutions for kicking the Internet habit．He recommends the usual behavior﹣controlling approaches，familiar to anyone who has completed a quit﹣smoking program．Keep logs to study your online profile and decide what you can knock out，download a program like Freedom that locks you out of your browser，or take a"digital Sabbath （安息日）"："Unless you're a reporter or emergency﹣department doctor，you'll discover that your world doesn't fall apart when you go offline．"

4．Alex Pang's new book is aimed for readers who　  　．

A．find their work online too stressful

B．go online mainly for entertainment

C．are fearful about using the cellphone or computer

D．can hardly tear themselves away from the Internet

5．What does Alex Pang try to do in his new book？　   

A．Offer advice on how to use the Internet effectively．

B．Warn people of the possible dangers of Internet use．

C．Predict the trend of future technological development．

D．Examine the influence of technology on the human mind．

6．What is the common view on multitasking？　 

A．It enables people to work more efficiently．

B．It is in a way quite similar to switch﹣tasking．

C．It makes people's work and life even harder．

D．It distracts people's attention from useful work．

7．What is Alex Pang's recommendation for Internet users？　   　

A．They use the Internet as little as possible．

B．They keep a record of their computer use time．

C．They exercise self﹣control over their time online．

D．They entertain themselves online on off﹣days only．

I live in the land of Disney，Hollywood and year﹣round sun．You may think people in such a glamorous，fun﹣filled place are happier than others．If so，you have some mistaken ideas about the nature of happiness．

Many intelligent people still equate happiness with fun．The truth is that fun and happiness have little or nothing in common．Fun is what we experience during an act．Happiness is what we experience after an act．It is a deeper，more abiding emotion．

Going to an amusement park or ball game，watching a movie or television，are fun activities that help us relax，temporarily forget our problems and maybe even laugh．But they do not bring happiness，because their positive effects end when the fun ends．

I have often thought that if Hollywood stars have a role to play，it is to teach us that happiness has nothing to do with fun．These rich，beautiful individual have constant access to glamorous parties，fancy cars，expensive homes，everything that spells"happiness"．But in memoir after memoir，celebrities reveal that unhappiness hidden beneath all their fun：depression，alcoholism，drug addiction，broken marriages，troubled children and profound loneliness．

Ask a bachelor why he resists marriage even though he finds dating to be less and less satisfying．If he's honest，he will tell you that he is afraid of making a commitment．For commitment is in fact quite painful．The single life is filled with fun，adventure and excitement．Marriage has such moments，but they are not its most distinguishing features．

Similarly，couples that choose not to have children are deciding in favor of painless fun over painful happiness．They can dine out whenever they want and sleep as late as they want．Couples with babies are lucky to get a whole night's sleep or a three﹣day vacation．I don't know any parent who would choose the word fun to describe raising children．However，they all feel blessed to have children．

Understanding and accepting that true happiness has nothing to do with fun is one of the most liberating realizations we can ever come to．It liberates time：now we can devote more hours to activities that can genuinely increase our happiness．It liberates money：buying that new car or those fancy clothes that will do nothing to increase our happiness now seems pointless．And it liberates us from envy：we now understand that all those rich and glamorous people we were so sure are happy because they are always having so much fun actually may not be happy at all．

8．Which of the following can be inferred from the passage？　   　

A．Fun creates long﹣lasting satisfaction．

B．Fun provides enjoyment while pain leads to happiness．

C．Happiness is enduring whereas fun is short﹣lived．

D．Fun that is long﹣standing may lead to happiness．

9．To the author，Hollywood stars all have an important role to play that is to　  　．

A．write memoir after memoir about their happiness．

B．tell the public that happiness has nothing to do with fun．

C．teach people how to enjoy their lives．

D．bring happiness to the public instead of going to glamorous parties．

10．Couples having babies　   　．

A．are lucky since they can have a whole night's sleep．

B．find fun in tucking them into bed at night．

C．find more time to play and joke with them．

D．gain happiness from their endeavor．

11．If one gets the meaning of the true sense of happiness，he will　  　．

A．stop playing games and joking with others

B．make the best use of his time increasing happiness

C．give a free hand to money

D．keep himself with his family．

If you think a high﹣factor sunscreen （防晒霜） keeps you safe from harmful rays，you may be wrong．Research in this week's Nature shows that while factor 50reduces the number of melanomas （黒瘤） and delays their occurrence，it can't prevent them．Melanomas are the most aggressive skin cancers．You have a higher risk if you have red or blond hair，fair skin，blue or green eyes，or sunburn easily，or if a close relative has had one．Melanomas are more common if you have periodic intense exposure to the sun．Other skin cancers are increasingly likely with long﹣term 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 cancer．A 2011Australian study of 1，621people found that people randomly selected to apply sunscreen daily had half the rate of melanomas of people who used cream as needed．A second study，comparing 1，167people with melanomas to 1，101who didn't have the cancer，found that using sunscreen routinely，alongside other protection such as hats，long sleeves or staying in the shade，did give some protection．This study said other forms of sun protection﹣﹣﹣not sunscreen﹣﹣﹣seemed most beneficial．The study relied on people remembering what they had done over each decade of their lives，so it's not entirely reliable．But 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 amounts，failing to reapply after a couple of hours and staying in the sun too long．It 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 rates，as shown by Australian figures from their slip﹣slop﹣slap campaign．So if there is a heat wave this summer，it would be best for us，too，to slip on a shirt，slop on （抹上） sunscreen and slap on a hat．

12．What does the research in Nature say about a high﹣factor sunscreen？   　

A．It is ineffective in preventing melanomas．

B．It is ineffective in case of intense sunlight．

C．It is ineffective with long﹣term exposure．

D．It is ineffective for people with fair skin．

13．What do we learn from the 2011Australian study of 1，621people？　  　

A．Sunscreen should be applied alongside other protection measures．

B．High﹣risk people benefit the most from the application of sunscreen．

C．Irregular application of sunscreen does women more harm than good．

D．Daily application of sunscreen helps reduce the incidence of melanomas．

14．What does the author say about the second Australian study？　 

A．It misleads people to rely on sunscreen for protection．

B．It helps people to select the most effective sunscreen．

C．It is not based on direct observation of the subjects．

D．It confirms the results of the first Australian study．

15．What does the author suggest to reduce melanoma rates？　 

A．Using both covering up and sunscreen．

B．Staying in the shade whenever possible．

C．Using covering up instead of sunscreen．

D．Applying the right amount of sunscreen．

We often close ourselves off when painful events happen in our lives．Instead of letting the world soften us，we let it drive us deeper into ourselves．We try to ignore the hurt and pain，but we can't hide from ourselves．（16）　   　．

The items listed below are four tips you can open your heart more fully and completely．

1．Breathe into pain

Whenever a painful situation arises in your life，try to face it instead of running away．（17）  　 When the sadness strikes，take a deep breath and accept it．By using our breath we soften our experiences and allow more newness．

2．（18）　  　

We're often confused at the next step to take．Actually，we can try a new decision making process．To start this process，we may ask，"Heart，what decision should I make here？What action feels the most right？"See what comes up，then put it into practice and evaluate the outcome．

3．Spend time alone

For most of our lives we're surrounded by people：our friends，family members，and strangers．（19）   　 When you spend time in solitude，you're free from the influences of other people．It might be painful at first，but eventually you'll add a whole new layer of depth and understanding into your life．

4．Get outside of yourself

（20）　  　 But in reality，they actually work hand﹣in﹣hand．After you've explored the depths of yourself，you come away with a new understanding．

Now，it's time to share that﹣﹣﹣not through telling others，but through being with others．

A．Have a light heart

B．Ask your heart what it wants

C．Is there anything I'm hiding from myself？

D．How often do we really spend time alone？

AB．This may seem a little contradictory to the last tip．

CD．We should open our hearts and take action to heal the wounds．

AC．When we run away from sadness，it gets stronger and more real．