【正文】 sive than standard English. C. Nonstandard varieties of human language are just as entertaining. D. Of all the varieties, standard English Can best convey plex ideas. 39. The description of Russians39。s negligence. B. a lesson from the latter is applicable to the former. C. the oute of the latter aggravates the former. D. both of them have turned from bad to worse. Text 3 Of all the ponents of a good night39。t know for sure? That the evidence was inconclusive, the science uncertain? That the antismoking lobby was out to destroy our way of life and the government should stay out of the way? Lots of Americans bought that nonsense, and over three decades, some 10 million smokers went to early graves. 中國最大的資料庫下載 中國最大的資料庫下載 There are upsetting parallels today, as scientists in one wave after another try to awaken us to the growing threat of global warming. The latest was a panel from the National Academy of Sciences, enlisted by the White House, to tell us that the Earth39。 中國最大的資料庫下載 中國最大的資料庫下載 20xx 年考研英語試題 Section Ⅰ Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A,B,C or D on ANSWER SHEET 1(10 points) The human nose is an underrated tool. Humans are often thought to be insensitive smellers pared with animals, 1 this is largely because, 2 animals ,we stand upright. This means that our noses are 3 to perceiving those smells which float through the air, 4 the majority of smells which stick to surfaces. In fact 5 , we are extremely sensitive to smells, 6 we do not generally realize it. Our noses are capable of 7 human smells even when these are 8 to far below one part in one million. Strangely, some people find that they can smell one type of flower but not another, 9 others are sensitive to the smells of both flowers. This may be because some people do not have the genes necessary to generate 10 smell receptors in the nose. These receptors are the cells which sense smells and send 11 to the brain. However, it has been found that even people insensitive to a certain smell 12 can suddenly bee sensitive to it when 13 to it often enough. The explanation for insensitivity to smell seems to be that brain finds it 14 to keep all smell receptors working all the time but can 15 new receptors if necessary. This may 16 explain why we are not usually sensitive to our own smells we simply do not need to be. We are not 17 of the usual smell of our own house but we 18 new smells when we visit someone else39。 instructions. C. nice in both appearance and temperament. D. more generous than their male panions . Brosnan and Dr. de Waal have eventually found in their study that the monkeys A. prefer grapes to cucumbers. B. can be taught to exchange things. C. will not be cooperative if feeling cheated. D. are unhappy when separated from others. 25. What can we infer from the last paragraph? A. Monkeys can be trained to develop social emotions. B. Human indignation evolved from an uncertain source. C. Animals usually show their feelings openly as humans do. D. Cooperation among monkeys remains stable only in the wild. Text 2 Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn39。t take the legislative initiative, Congress should help to begin fashioning conservation measures A bill by Democratic Senator Robert Byrd of West Virginia, which would offer financial incentives for private industry is a promising start Many see that the country is getting ready to build lots of new power plants to meet our energy needs. If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound. 26. An argument made by supporters of smoking was that 中國最大的資料庫下載 中國最大的資料庫下載 A. there was no scientific evidence of the correlation between smoking and death. B. the number of early deaths of smokers in the past decades was insignificant. C. people had the freedom to choose their own way of life. D. antismoking people were usually talking nonsense. 27. According to Bruce Alberts, science can serve as A. a protector. B. a judge. C. a critic. D. a guide. 28. What does the author mean by “ paralysis by analysis” (Last line, paragraph 4) A. Endless studies kill action. B. Careful investigation reveals truth. C. prudent planning hinders. D. Extensive research helps decisionmaking. 29. According to the author, what should the Administration do about A. Offer aid to build cleaner power plants. B. Raise public awareness of conservation. C. Press for further scientific research. D. Take some legislative measures. 中國最大的資料庫下載 中國最大的資料庫下載 30. The author associates the issue of global warming with that of smoking because A. they both suffered from the government39。s anxiety. Those suffering from persistent nightmares should seek help from a therapist For the rest of us, the brain has its ways of working through bad feelings. Sleepor rather dreamon it and you39。t gone anywhere while drug costs keep rising fast. 44. Premiers love to quote Mr. Romanow39