[专升本类试卷]专升本英语(阅读)模拟试卷26及答案与解析.doc
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1、专升本英语(阅读)模拟试卷 26 及答案与解析一、Part III Reading ComprehensionDirections: In this part there are four passages. Each passage is followed by a number of comprehension questions. Read the passages and choose the best answer to each question. Then, mark your answer by blackening the corresponding letter on th
2、e Answer Sheet.0 The “balance of nature“ is not an empty phrase. Nature provides a population to occupy a suitable environment and cuts down surplus population to fit the available food supply. One means of reducing surplus population is predators(食肉动物); others are parasites(寄生虫)and diseases. Also,
3、population density produces nervous disorders and even drives animals to mass migrations, like the lemmings(旅鼠)of Norway who plunge into(跳入 )the sea.That predators populations increase to control other animals has long been known. Many years ago, the Hudson s Bay Company records revealed that the fo
4、x population went up and down about a year after the rabbit population had gone up and down.Sometimes a situation occurs in which the predators population is reduced to a level below that which nature can readily replace. On Valcour Island in Lake Champlain(New York), a costly campaign resulted in t
5、he elimination of predatory animals only to have birds and small animalsincluding grouse(松鸡)and hares, popular game(猎物)increase for four years afterward. Then lacking predator control, nature resorted to diseases to cut down these populations.Jamaica had an example of nature s persistence in providi
6、ng animals for existing habits. Sugar planters, about 75 years ago, imported mongooses to control rats. The mongooses killed off the rats and, with plentiful food, multiplied. Rats became scarce and the mongooses ate lambs, kids, puppies(小狗), and wildlife. Eventually, food became scarce and the mong
7、ooses population declined.1 According to the article, the phrase “balance of nature“ means_.(A)the relation of wildlife to man(B) the adequacy of the food supply to support its animal population(C) the ratio of small game to predators(D)the destruction of predators2 The effect of predator control ov
8、er other animal populations_.(A)has just been learned(B) is not recent knowledge(C) is not important now(D)was learned in Norway3 When predators control is not available, nature brings animal population into balance by resorting to_.(A)hunters(B) diseases(C) storms and flood(D)forest fires4 When the
9、 mongooses in Jamaica killed off the rats, they _.(A)quickly died for lack of food(B) attacked humans(C) became problems themselves(D)ate the sugar crop5 Implied but not stated: _.(A)Sugar planters imported mongooses to control rats(B) Man should never tamper(损害)with nature(C) To upset the balance o
10、f nature can be troublesome(D)Man has complete control over nature5 In spite of the strong opposition to new and strict environmental laws, however, it is still possible to attack the problem of chemical pollution; but we must attack it from three directions. First, we need more independent research
11、 into the effects of chemicals by scientists who are not paid by the government or by large industrial companies. Second, scientists need to educate the general public and inform them about the dangers of chemicals in the environment. If the public knows that a certain chemical threatens the health
12、of their children, then it will put pressure on politicians, in local and national government. If the politician want to remain in office, they will take action to correct the long-term economic costs of chemicals. It will be extremely expensive to clean areas of land which are contaminated(污染)by ch
13、emicals; it will be even more costly to give medical treatment to people who are suffering from serious illnesses after exposure to dangerous chemicals. If governments realize this, the short-term economic benefits of chemicals will seem much less attractive to them.If we can put pressure on governm
14、ents in these three ways, perhaps they will begin to behave more responsibly. They will perhaps pass new laws against pollution and enforce them strictly. Perhaps, then, the chemical producers will begin to behave more responsibly.6 Which of the following might be the best title for the passage?(A)T
15、he Environment in Danger.(B) The Problem of Chemical Pollution.(C) New and Strict Environmental Laws.(D)Possible Solutions to Chemical Pollution.7 Which of the following statements best describes the organization of the passage?(A)Two contrasting views of a problem are presented.(B) A procedure is e
16、xplained and its importance is emphasized.(C) A general statement is given and possible ways are presented.(D)Recent scientific advancements are outlined in order of importance.8 Which of the following is true of the governments mentioned in the passage?(A)They are already behaving in an extremely r
17、esponsible way.(B) They do not believe that it is possible to solve the chemical pollution.(C) They think chemicals do little harm to the health of humans.(D)They are unwilling to stop the use of certain chemicals.9 Which of the following can be inferred from the passage?(A)The economy is more impor
18、tant to governments than the people s health is.(B) Governments think chemicals bring them more economic pollution.(C) The public knows enough about the dangers of chemical pollution.(D)The governments fully realize the long-term economic costs of chemical pollution.10 According to the passage, what
19、 will happen if the governments stop the use of some chemicals?(A)The economy of the countries will suffer.(B) Unemployment in the countries will grow.(C) Some people and scientists will criticize them.(D)The chemical producers will strongly protest.10 Believe it or not, optical illusion can cut hig
20、hway crashes.Japan is a case in point. It has reduced automobile crashes on some roads by nearly 75 percent using a simple optical illusion. Bent stripes , called chevrons , painted on the roads make drivers think that they are driving faster than they really are, and thus drivers slow down.Now the
21、American Automobile Association Foundation for Traffic Safety in Washington D. C. is planning to repeat Japan s success. Starting next year, the foundation will paint chevrons and other patterns of stripes on selected roads around the country to test how well the patterns reduce highway crashes.Exce
22、ssive speed plays a major role in as much as one fifth of all fatal traffic accidents, according to the foundation. To help reduce those accidents, the foundation will conduct its tests in areas where speed-related hazards are the greatestcurves, exit slopes, traffic circles, and bridges.Some studie
23、s suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half. However, traffic often returns to full speed within months as drivers become used to seeing the painted bars.Chevrons, scientists say, not only give drivers the impression that they
24、are driving faster than they really are but also make a lane appear to be narrower. The result is a longer lasting reduction in highway speed and the number of traffic accidents.11 The passage mainly discusses_.(A)a new way of highway speed control(B) a new pattern for painting highways(C) a new app
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- 试卷 英语 阅读 模拟 26 答案 解析 DOC
