[外语类试卷]大学英语四级改革适用(阅读)模拟试卷306及答案与解析.doc
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1、大学英语四级改革适用(阅读)模拟试卷 306及答案与解析 Section A 0 People who live in heavily industrialized areas do not get as much sunlight as they should. Dust【 C1】 _over a city at altitudes (海拔 ) of between 4,000 and 8,000 feet cuts out between 20 and 50 percent of the sunlight and up to 90 percent of the ultraviolet li
2、ght (紫外线 ). But dust is not the only thing to【 C2】 _about. When fuels are burned, whether in a factory, or in a home, or in the engine of a car, CO2 is given off. CO2 in the atmosphere acts as a kind of【 C3】 _around the earth, keeping warms in and so slowly raising the【 C4】 _of the earth. This could
3、 really change the climate all over the world. Everybody wants to have a car.【 C5】 _, while they are giving us so much pleasure, cars are also poisoning us. The amount of dangerous substances sent out by a car is quite【 C6】 _. Did you know, for example, that a hundred cars produce on【 C7】 _a third o
4、f a ton of CO, as well as many other【 C8】 _substances every day? Now, more and more people are realizing the importance of clean air. Schools are now teaching about the pollution problems. Scientists and engineers are trying to【 C9】 _new engines for cars. But what about the millions of cars already
5、in use? Must they all be thrown away? It might be very【 C10】 _to change them so that they, too, are pollutiorvfree. A. forge B. screen C. expensive D. floating E. unfortunately F. average G. poisonous H. develop I. temperature J. surprising K. overtaking L. essential M. regulation N. generously O. w
6、orry 1 【 C1】 2 【 C2】 3 【 C3】 4 【 C4】 5 【 C5】 6 【 C6】 7 【 C7】 8 【 C8】 9 【 C9】 10 【 C10】 10 Unless measures are taken at once, there is a possibility that all the oceans of the world will be dead by the next century. How can this possibly happen? We have already seen that people【 C1】 _all kinds of was
7、te products to be thrown into the sea. It is almost【 C2】 _to measure how much industrial waste ends up in our oceans, but we can【 C3】 _how much oil is poured into them according to the law and against the law. It is against the law to pour oil into the sea【 C4】 _to the shore, but when a ship is many
8、 miles out to the sea there are no such【 C5】 _. Estimate of the amount of oil poured in European Waters【 C6】_is about 200,000 tons every year. Some people say the【 C7】 _could be ten times as high around the world. It is not only our【 C8】 _that suffer from oil pollution. Among other things, many fish
9、 now contain very high amounts of【 C9】 _substances. Next time you have fish to eat, how can you be sure that they are free from oil pollution? You cannot see the【 C10】 _and you cannot taste them, either. It is really quite a problem. Nearly all of the countries are trying hard to prevent and control
10、 oil pollution. We hope that the day will soon come when fish will be free from oil pollution. A. limitations B. seashores C. allow D. invade E. close F. poisonous G. afterwards H. agenda I. edit J. figure K. impossible L. alone M. effects N. calculate O. extensive 11 【 C1】 12 【 C2】 13 【 C3】 14 【 C4
11、】 15 【 C5】 16 【 C6】 17 【 C7】 18 【 C8】 19 【 C9】 20 【 C10】 20 Theres a world paper shortage. Theres a national bottle【 C1】 _, and were running out of raw materials like timber and tin or so the papers say. Well, Ive just emptied my shopping basket after my【 C2】 _shopping trip and it was full of things
12、 made from these【 C3】 _materials. Half of what Id bought I threw away at once; all those unnecessary paper bags, plastic bags, fresh【 C4】 _paper and old newspapers they put the food in nowadays. Modern packaging makes shopping cleaner and more convenient, but at what【 C5】_? Every time you throw away
13、 a paper bag youre throwing away part of a treeand trees dont grow【 C6】 _! At this rate there soon wont be any trees left, and then what shall we do? Perhaps well learn to do what my mother did. She used to keep a store of paper bags in a kitchen【 C7】 _and use them again and again for her shopping.
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