大学英语四级阅读-14及答案解析.doc

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1、大学英语四级阅读-14 及答案解析(总分：100.00，做题时间：90 分钟)一、Part Reading Compr(总题数：0，分数：0.00)二、Section A(总题数：2，分数：20.00)The greenhouse effect causes trouble by raising the temperature of the planet. The (1) rise is not very much, but the Earths ecosystem is very weak, and small changes can have large effects.It has be

2、en believed that this (2) of one degree will happen by the year 2025. This could probably (3) the North American corn belt, which produces much of the worlds grain, (4) to much higher food prices, and even less food for the Third World than they already have. However, it would also mean that some co

3、untries which are further north would be able to (5) crops they had never been able to before, although there is less land as you move north from the corn belt.The other serious worry is that rising sea levels from the melting of the polar ice could (6) flood many countries. A rise in sea levels of

4、one meter, which many experts are (7) by the year 2100 (and some as soon as 2030), would flood 15 percent of Egypt, and 12 percent of Bangladesh. The Maldives in the Indian Ocean would almost (8) disappear. Most of the countries which would suffer most from a rise in sea levels are the poor (9) stat

5、es, so the islands in the Caribbean, South Pacific, Mediterranean and Indian Ocean have formed the Alliance of Small Island States, AOSIS, so they have a (10) voice in international politics and can make the richer developed world listen to their problems.A. severely B. damage C. island D. criticalE

6、. grow F. mainland G. louder H. predictingI. rise J. completely K. geometry L. actualM. extending N. leading O. develop（分数：10.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_Theres a world paper shortage. Theres a national bottle (1) , and were running out of raw materials l

7、ike timber and tinor so the papers say. Well, Ive just emptied my shopping basket after my (2) shopping trip and it was hill of things made from these (3) materials. Half of what Id bought I threw away at once; all those unnecessary paper bags, plastic bags, fresh (4) paper and old newspapers they p

8、ut the food in nowadays.Modern packaging makes shopping cleaner and more convenient, but at what (5) ? Every time you throw away a paper bag youre throwing away part of a treeand trees dont grow (6) ! At this rate there soon wont be any trees left, and then what shall we do?Perhaps well learn to do

9、what my mother did. She used to keep a store of paper bags in a kitchen (7) and use them again and again for her shopping. Most goods were sold (8) in those days. And the shopkeeper weighed out the amount you wanted.Of course, liquid goods have always been (9) in bottles or cans, but why cant we use

10、 them more than once? If we (10) all our bottles we would save on the raw materials and energy needed to make new ones. Its time we started to think seriously about the growing shortage of raw materials in the world today.A. drawer B. seldom C. weekly D. reusedE. cost F. verify G. overnight H. wrapp

11、ingI. enclosed J. loose K. sold L. shortageM. scarce N. partial O. ban（分数：10.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_三、Section B(总题数：2，分数：40.00)Tips for Those Who Travel AloneA. When it comes to traveling, sometimes taking a journey alone can be great. Traveling alon

12、e allows for a time of self-reflection, relaxation and self-discovery, when you can take the time to soak in the finer things the world has to offer. The independence gained by going alone allows for the opportunity to experience your choice destination exactly the way you want.Planning your tripB.

13、So youve finally decided to take advantage of some well-earned vacation time and visit Prague, the city of your dreams. Because youll be all by yourself, the planning of your trip is automatically different. One of the first questions worth attention is how youre going to spend your time in the beau

14、tiful Czech Republic capital. Are you going on a shoestring budget, or would you rather go all-out and book a room in a fancy hotel?C. Because traveling alone means your money is funding the trip, a wise choice would be to stay in youth hostels. Cast away the wrong idea that these places are uncomfo

15、rtable and dirty, and accept the fact that hostels provide safe, clean, comfortable, and most importantly, cheap housing that millions of students and economical travelers take advantage of every year. It is relatively easy to book a room at a hostel via the Internet, and plenty of information is av

16、ailable about each one. On the other hand, ff you cant wait to take advantage of room service and a Jacuzzi bath, then turn to a hotel.D. Along with securing your accommodations, prepare a route of the journey for each day before you leave. This plan should include everything from visiting all the f

17、amous landmarks to some relaxation time, which is essential since youll be likely walking for miles in your comfortable shoes (invest in a good pair, it will pay off). As great as organization is, however, you may not, at times, have to be restrained by your plan so as to leave room for some sceneri

18、es unexpected or unplanned on your trip. That is exactly the beauty of traveling alone: You are your own master, and while preparation is key, there is always room to do something wild.Important information prior to takeoffE. One of the hardest parts of traveling in general is coming up with a list

19、of what youll need to bring with you (or leave behind). Thinking of these all-important items becomes all the more difficult (and necessary) when you have no one else to rely on. Whatever luggage you take, make sure its easy to handle. The best solution is to take one hold-all, be it a suitcase or a

20、 backpack, and then a smaller bag which you can hang loosely from your shoulder. Its also a good idea to keep a change of clothing in your shoulder bag in case your suitcase or backpack gets lost by an airline or bus company.F. If youre heading for a foreign country, dont leave home without a biling

21、ual dictionary. Although a strong grasp of Czech will prove quite difficult, it is still important to learn phrases like “thank you,“ “hello,“ “please,“ and “I didnt know she charged money for her time,“ in case youre in trouble.G. Make a copy of all essential travel documents such as your passport

22、and health insurance. Keep the copies separate or leave them behind with someone you trust, in the event of an emergency. Along with cash, bring a credit card as an emergency method of payment and make sure to take note of your credit card companys customer service line in case of loss or theft. Tha

23、t way, you can cancel your card immediately and have a new one delivered to you while on your trip (if possible).H. A book to enjoy on a train ride or on the beach, a journal to record your experiences, and maps to educate yourself on the layout of the land (you can get these from a tourism bureau),

24、 can make a world of a difference. With these things in mind and a positive spirit, you are now officially ready to set out on your own.Finally thereI. Youve taken the big step, said goodbye to family and friends, endured a long plane ride, and are finally in the place you dreamed of visiting. until

25、 now. You might be quite overwhelmed by your new surroundings, but there are ways to control these feelings of over-stimulation. Instead of being an outsider looking in, try to transform yourself into a relaxed traveler who is not held back by minor frustrations, such as long lines at the train stat

26、ion or delays in visiting hours of certain landmarks. If you planned accordingly, then you can afford to “waste“ time at the busy tourist hotspots. Besides, youre on vacation, and have nowhere to be!J. Another benefit of traveling alone is the ability to explore museums and engage in other time-cons

27、uming activities. There is no pressure to rush through exhibits or cut the visit short; pace yourself and take in the masterpieces, whether youre an art lover or just a beginner.K. Make an effort to walk everywherewithin reason, of course. This will help you get in touch with the area (so to speak)

28、and observe the locals in their element. Using your legs also allows you to find interesting shops and cafes more easily than ff you were on some poor-quality tour bus. Your goal should be to blend in, something a well-designed (and perhaps overpriced) tour wont likely offer. Wear loose, light cloth

29、ing because the more comfortable you feel, the more willing you will be to stay out an extra hour to explore a section you might have overlooked. Remain enthusiastic, relaxed and prepared, and the stories you will have to share upon your return will be priceless.Extra tipsL. Bring along a camera wit

30、h lots of films. Leave your route with someone at home, along with the numbers of each place youre staying at. Its okay if your plans are sketchy, but if there is a big change in your plans, you might want to e-mail the new information to your “in case of emergency“ person back home. Stay safe and k

31、eep an eye out when it comes to money or your belongings; you dont have a companion to catch the pickpocket creeping up from behind. While having fun is important, so is safety. Be carefree, but dont throw caution to the wind.（分数：20.00）(1).If you have problems with the foreign language, you should t

32、ake a bilingual dictionary along.（分数：2.00）填空项 1:_(2).Poor-quality tour buses are less likely to take you to interesting shops and cafes.（分数：2.00）填空项 1:_(3).It is suggested that one should bring with you a change of clothing in the shoulder bag.（分数：2.00）填空项 1:_(4).When you arrive at the destination,

33、you should turn yourself into a relaxed traveler rather than being an outsider looking in.（分数：2.00）填空项 1:_(5).If you bring a credit card, make sure you take down the service number of the card company in case of loss or theft.（分数：2.00）填空项 1:_(6).Traveling alone offers an opportunity to experience th

34、e destination in an exact way you want.（分数：2.00）填空项 1:_(7).In most cases, a tourism bureau may provide you with maps.（分数：2.00）填空项 1:_(8).Instead of being uncomfortable and dirty, youth hostels are safe, clean and cheap.（分数：2.00）填空项 1:_(9).You should consider all the famous landmarks and relaxation i

35、n your travel schedule.（分数：2.00）填空项 1:_(10).Traveling alone has a benefit that you can enjoy visiting museums, although it may be time-consuming.（分数：2.00）填空项 1:_Everglades National ParkA. When many people think of Florida, images of sandy coastlines or theme park rides come to mind. But about an hou

36、r south of Miami lies a natural wilderness different from anywhere else in the United States. Everglades National Park is the largest subtropical wilderness in the country. The park is home to several rare and endangered species. It is also the third largest national park in the lower forty-eight st

37、ates, after Death Valley and Yellowstone. More than one million people visit the Everglades each year.B. The Everglades is considered one of the great biological wonders of the world. The expansive wetlands stretch across more than six hundred thousand hectares (公顷). It is a place where plants and a

38、nimals from the Caribbean Sea share an ecosystem with native North American species. Unlike most other national parks, Everglades National Park was created to protect an ecosystem from damage. The Everglades is home to thirty-six species that are considered threatened or protected. They include the

39、Florida panther, the American crocodile and the West Indian manatee. In addition, more than three hundred fifty bird species and three hundred species of fresh and saltwater fish live within the park. The Everglades is also home to forty species of mammals (哺乳动物) and fifty reptile (爬行动物) species.C.

40、Exotic plants can also be found in the Everglades. They include what is said to be the largest growth of mangrove trees in the western half of the world. Gumbo-limbo trees, known for their peeling red skin, strangler figs and royal palms are also among the areas plant life. The Everglades is also ho

41、me to the countrys largest living mahogany tree. Sawgrass grows in some areas of the park. Be carefulit is very sharp, with teeth just like a saw. It can grow up to four meters tall. With about one and one-half meters of rainfall each year, plants and trees never stop growing in the Everglades.D. Th

42、e dry, winter season is the favorite of most visitors, when insects like mosquitoes are less of a problem. The rainy season lasts from June to November. There are many ways to explore the Everglades. Visitors could see American crocodiles while hiking the Anhinga Trail. The Everglades is the only pl

43、ace on Earth where fresh water crocodiles and saltwater crocodiles live in the same area. Visitors using canoes or airboats are likely to see large groups of wading birds like the wood stork or great blue heron. It is even possible to see flamingos in the Everglades. This spring, Everglades National

44、 Park launched a visitation program to what was once a highly restricted military base. Park officials are working to recover a missile base used in the 1960s. The base played a Part In the nuclear tensions between the United States and the Soviet Union.E. The government built the Florida base short

45、ly after the discovery of Soviet missiles about three hundred kilometers away, on the island of Cuba. Tensions were high during the Cuban missile crisis. But missiles stored at the American base were never fired. The base was closed and all missile equipment was removed in the 1970s. Today only the

46、buildings remain. This year, the historic area had many visitors, including former American service members who remember the missile crisis. The park hopes to offer more trips next spring, to help support the history for those who lived through it and for future generations.F. Experts say changes to

47、 the Everglades are threatening several different kinds of wildlife. They say the threats are a result of actions the United States government began more than fifty years ago, and settlers began even earlier. The National Park Service says early colonial settlers and land developers thought the Ever

48、glades had little value. The settlers had plans to remove water from the area and in the 1880s developers began digging drain canals. At the time, they did not understand the complexity of the Everglades ecosystem. As a result, they were not prepared for all the work and caused environmental problems. The ecosystem, however, was able to survive.