Are you looking for something to do? You might like to try one of these four experience.

     Crocodile watching

     Do you fancy getting up close to some of the most terrifying animals on earth? Crocosaurus Cove, in Darwin (Australia) has the“Cage of Death”. It’s an enclosure that’s lowered into a pool. This gives you a 360 degree view of a crocodile as it’s being fed. The cable broke once and the cage sank to the bottom, but they’ve fixed it since then.

     Edge walk

     How about walking along the edge of a building several hundred meters up in the air? If that sounds like fun, head off to the CN Tower in Toronto( Ontario, Canada. Built in 1976, the tower is 553.33 meters tall. 

     The Edge Walk consists of a 20-30 minute stroll along a 1.5 meter wide platform that runs around the tower’s restaurant roof. During the walk, you’re encouraged to lean forwards as you look over Toronto’s skyline.

     Plastic ball rolling

     Do you fancy rolling down a hill in a plastic ball?

     Plastic ball rolling is popular as over the world, but the place to give it a go in Rotorua（New Zealand). Brother David and Andrew Akers came up with the idea in 1994. A typical orb （球）is about 3 meters in diameter, with an inner orb size of about 2 meters. There’s no brake or steering mechanism, but the inner layer of the plastic ball helps absorb the shock.

       Volcano bungee jumping

       If you’re looking for the adventure of a lifetime, how about going bungee jumping off a helicopter into the crater of a live volcano? As part of the jumping, a helicopter ride takes you to the Villarrica volcano, one of the most active in Chile. Once you’re at the drop zone, you leap off the helicopter and fall into the volcano. Finally, you enjoy the ride back to the airports flying at 130kph.

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21. According to the passage, there was an accident once when people_____.

   A. jumped into the Villarrica volcano

   B. walked along the platform of the CN Tower

   C. rolled down a hill in a plastic ball in Rotorua

   D. watched crocodiles in the “Cage of Death” in Darwin

22. Which of the following was first invented in New Zealand？

   A. Edge Walk    B. Crocodile watching   C. plastic ball rolling  D. volcano bungee jumping

23. It can be inferred that all the four experience are_______.

   A. interesting sports                   B. exciting and extreme

   C. held on high places                  D. fit for middle to old people 

We know the famous ones---the Thomas Edisons and the Alexander Graham Bells---but what about the less famous inventors? What about the people who invented the traffic light and the windshield wiper (雨刮器）? Aren’t we supposed to know who they are?

Joan Mclean think so, In fact, Mclean, a professor physics at Mountain University in Range, feels so strongly about this matter that she’s developed a course on the topic, In addition to learning “who” invented “what”,however, Mclean also likes her students to learn the answers to the “why” and “how”questions. According to Mclean, “When students learn the answers to these question, they are better prepared to recognize opportunities for inventing and more motivated to give inventing a try.”

Her students agree. One young man with a patent for an unbreakable umbrella is walking proof of Mclean statement. “If I had not heard the story of the windshield wiper’s invention,”said Tommy Lee, a senior physics major, “ I never would have dreamed of turning my bad experience during a rainstorm into something so constructive .”  Lee is currently negotiating to sell his patent to an umbrella producer.

So, just what is the story behind g he windshield wiper? Well, Marry Anderson same up with the idea in 1902 after a visit to New York City .The day was cold and stormy, but Anderson still wanted to see the sights, so she jumped aboard a streetcar, Noticing that the driver was struggling to see through the snow covering the windshield, she found herself wondering why there could＇t be a built-in device for cleaning the window. Still wondering about this when she returned home to Birmingham, Alabama, Anderson started drafting out solutions, One of her ideas, a lever(操作杆) on the inside of a vehicle would control an arm on the outside, became the first windshield wiper.

Today we benefit from countless inventions and innovations. It＇s hard to imagine driving without Garrett A. Morgan＇s traffic light. It＇s equally impossible to picture a world without Katherine J. Blodgett’s innovation that makes glass invisible. Can you picture life without clear windows and eyeglasses?

24. By mentioning “traffic light” and “windshield wiper”, the author indicates that countless inventions are

A. beneficial, because their inventors are famous

B. beneficial, though their inventors are famous

C. not useful, because their inventors are less famous

D. not useful though their inventors are famous

25.Professor Joan Mclean’s course aims to

A. add color and variety to students’ campus life

B. inform students of the windshield wiper’s inventing

C. carry out the requirements by Mountain University

D. prepare students to try their own invention

26. Tommy Lee’s invention of the unbreakable umbrella was

A. not eventually accepted by the umbrella producer

B. inspired by the story behind the windshield wiper

C. due to his dream of being caught in a rainstorm

D. not related to Professor Joan McLean’s lectures

27. Which of the following can best serve as the title of this passage?

A. How to Help Students to Sell Their inventions to Producers?

B. How to Design a Built-in Device for Cleaning the Window

C. Shouldn’t We Know Who Invented the Windshield Wiper?

D. Shouldn’t We Develop Invention Courses in Universities?

In a country that defines itself by ideals, not by shared blood, who should be allowed to come work and live here? In the wake of the Sept. 11 attacks these questions have never seemed more pressing.

On Dec.11, 2001, as part to effort to increase homeland security, federal and local authorities in 14 states staged “Operation Safe Travel”-raids on airports to arrest employees with false identification In Salt Lake City there were 69 arrests .But those captured were anything but terrorists, most of them illegal immigrants from Central or South America Authorities said the undocumented workers’ illegal status made them open to blackmail by terrorists.

Many immigrants in Salt Lake City were angered by the arrests and said they were being treated like disposable goods.

Mayor Anderson said those feelings were justified to a certain extent. “We're saying we want you to work in these places, we're going to look the other way in terms of what our laws are, and then when it's convenient for us, or when we can try to make a point in terms of national security, especially after Sept. 11, then you're disposable. There are whole families being uprooted for all of the wrong reasons,” Anderson said.

If Sept. 11 had never happened, the airport workers would not have been arrested and could have gone on quietly living in America, probably indefinitely. Ana Castro, a manager at a Ben & Jerry's ice cream shop at the airport had been working 10 years with the same false Social Security card when she was arrested in the December airport raid. Now she and her family are living under the threat of deportation (驱逐出境). Castro's case is currently waiting to be settled. While she awaits the outcome, the government has granted her permission to work here and she has returned to her job at Ben & Jerry's.

28. According to the author, the United States claims to be a nation ________.

A. composed of people having different values B. encouraging individual pursuits

C. sharing common interests D. founded on shared ideals

29.Undocumented workers became the target of “Operation Safe Travel” because ________.

A. evidence was found that they were potential terrorists

B. most of them worked at airports under threat of terrorists

C. terrorists might take advantage of their illegal status

D. they were reportedly helping hide terrorists around the airport

30. By saying “... we're going to look the other way in terms of what our laws are” (Line 2, Para. 4), Mayor Anderson means “________”.

A. we will turn a blind eye to your illegal status

B. we will examine the laws in a different way

C. there are other ways of enforcing the law

D. the existing laws must not be ignored

31.What do we learn about Ana Castro from the last paragraph?

A. She will be deported sooner or later.

B. She is allowed to stay permanently.

C. Her case has been dropped.

D. Her fate remains uncertain.

When a 91,000-acre piece of vacant land came up for sale in Southwest Florida about ten years ago, it attracted builders from across the country. After all, the chance to develop an area almost five times the size of Manhattan does not come frequently. But to everyone's surprise, the owners did not sell the land that lies just 20 minutes from Fort Myers to the highest bidder. Instead, they sold it to Kitson & Partners who not only promised to preserve part of the land，but also use the remaining area to build an environmentally friendly town.

True to their word, as soon as the sale closed, the developers sold 73,000 acres to the government of Florida as part of the largest single land preservation agreement in the state's history. Over the last decade，the slate and county officials have worked hard at restoring the wetlands and other waterways? in what is now known as the Babcock Nature Preserve. Their efforts have resulted in the return of many native birds and plants that had disappeared from the region.

However,for some reason,it was not until Earth Day 2016(April 22)that the developers finally revealed their plans for America’s first “green” community.

On the surface,Babcock Ranch,which will be home to about 50,000 residents when completed,appears to be just like a typical small American town.It will have a downtown*hiking trials,a wellness center,and even a man-made take that residents can use for recreational activities like kayaking.However,this is where the similarities end.

Unlike most American cities,the homes in Babcock Ranch will not be powered by polluting fossil fuels like coal or oil.Instead,the residents will get energy from a solar farm.On cloudy days or at right,the grid（电网）powered by clean natural gas will take over.According to Kitson,”The combination of energy will he the greenest in the country.

32.What made Kitson&Partners succeed in buying the large vacant land?

A.They offered the highest price.

B.They had good relationship with the owners.

C.They promised to change the land into a modem city.

D.Their plans for the land were good for the environment.

33.When can we know about the Babcock Nature Preserve?

A.It is 73,000 miles from Frot Myers.

B.It is developed by the government.

C.It is the largest reserve in the world.

D.It is five times the size of Manhattan.

34.What will make Babcock Ranch different from a typical American town?

A.Its appearance.

B.Its friendly residents.

C.Its combination of energy.

D.Its wellness center.

35.Which of the following shows the development of ideas in the passage?

Some experts feel that cars are certain to fall into disuse.They see a day in the not-too-distant future when all cars will be deserted and made useless.   36  They hold that the car will remain a leading means of city travel in the foreseeable future.

The car will undoubtedly change greatly over the next 30 years.It should become smaller,safer,and more practical,and should not be powered by the gas engine.     37   

Unless changes take place in the power system,the car in the future will still be the main problem in city traffic jams.    38   

When the car enters the highway system,a small arm will drop from the car and connect with a rail,which is similar to hose(软管) powering subway trains electrically.Once joined to the rail,the car will become electrically powered from the system and control of the car will pass to a central computer.     39     

The driver will use telephone to did instructions about his position and the beads for into the system.The computer will find the best way and reserve space for the car all the way to the correct exit from the highway.   40  It is believed that an automated highway will be able to deal with 10,000 cars per hour,compared with the 1,500 to 2,000 carried by a present-day highway.

A.The driver will be free to relax and wait for call that warm him of his coming exit.

B.Other experts however think the car is here to stay.

C.The car of the future should be for more pollution-free than present types.

D.There will be plenty of policemen on the highway to control the traffic.

E.One suggested to this essential problem is the automated(自动的) system which seems to hold water.

F.The computer will then monitor all the car's movements.

G.All of the experts don's know what will happen in the future.