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| 1992年全国硕士研究生入学考试英语试题(附参考答案) | |||||
作者：佚名 文章来源：本站整理 点击数： 更新时间：2008-6-8  |
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be falling. Scientists conclude , therefore, that up to now natural influences on the weather have exceeded those caused by man. The question is: Which natural cause has most effect on the weather? One possibility is the variable behavior of the sun. Astronomers at one research station have studied the hot spots and "cold" spots (that is, the relatively less hot spots) on the sun. As the sun rotates, every 27. 5 days, it presents hotter or "colder" faces to the earth, and different as- pects to different parts of the earth. This seems to have a considerable effect on the distribution of the earth's atmospheric pressure, and consequently on wind circulation. The sun is also variable over a long term: its heat output goes up and down in cycles, the latest trend being downward. Scientists are now finding mutual relations between models of solar-weather interactions and the actual climate over many thousands of years, "including the last Ice Age. The problem is that the models are predicting that the world should be entering a new Ice Age and it is not. One way of solving this theoretical difficulty is to assume a delay of thousands of years while the solar ef- fects overcome the inenia (惯性) of the earth's climate. If this is right, the warming effect of carbon dioxide might thus be serving as a useful counter-balance to the sun's diminishing heat . 36. It can be concluded that a concentration of carbon dioxide in the atmosphere would A. prevent the sun's rays from leeching the earth's surface B. mean a warming up in the Arctic C. account for great changes in the climate in the noHhem hemisphere D. raise the temperature of the earth' s surface 37. The article was written to explain A. the greenhouse effect B. the solar effects on the earth C. the models of solar-weather interactions D. the causes affecting weather 38. Although the fuel consumption is greater in the northem hemisphere, temperatures there seem to be faILing. This is A. mainly because the levels of carbon dioxide are rising B. possibly because the ice caps in the poles are melting C. exclusively due to the effect of the inenia of the earth' s climate D. partly due to variations in the output of solar energy 39. On the basis of their models, scientists are of the opinion that A. the climate of the world should be becoming cooler B. it will take thousands of years for the inertia of the earth's climate to take effect C. the man-made warming effect helps to increase the solar effects D. the new Ice Age will be delayed by the greenhouse effect 40. If the assumption about the delay of a new Ice Age is correct, A. the best way to overcome the cooling effect would be to bum more fuels B. ice would soon cover the northern hemisphere C. the increased levels of carbon dioxide in the atmosphere could warm up the earth even more quickly D. the greenhouse effect oould work to the advantage of the earth 3 Some people believe that intemational sport creates goodwill between the nations and that if countries play games together they will leam to live together. Others say that the opposite is true : that intemational contests encourage false national pride and lead to misunderstanding 8nd hatred. There is probably some truth in both arguments, but in recent years the Olympic games have done little to support the view that sports encourages intenational brotherhood. Not only, was there the tragic incident involving the murder of athletes, but the Games were also ruined by lesser inci- dents caused principally bv minor national contests. One country received its second-place medals with visible indignation after the horkey ( 曲棍球 ) final. There had been noisy scenes at the end of the hockey match, the losers objecting to the final decisions. They were convinced that one of their goals should not have been disallowed and that their opponents' victory was unfair. Their manager was in a rage when he said : "This wasn' t hockey. Hockey and the Intenational Hockey Federatior are finished. " The president of the Federation said later that such behavior could result in the suspension of the team for at least three years . The Anlerican basketball team announced that they would not yield first place to Russia, af- ter a disputable end to their contest. The game had ended in disturbance. It was thought at first that the United States had won, by a single point, but it was announced that there were three seconds still to play. A Russian player then threw the ball from one end of the court to the other, and another player popped it into the basket. It was the first time the USA had ever lost an Olympic basketball match. An appeal jury debated the matter for four and a half hours before an- nouncing that the result would stand. The American players then voted not to receive the silver medals . Incidents of this kind will continue as long as sport is played competitively rather than for the love of the game. The suggestion that athletes should compete as individuals, or in non-national teams , might be too much to hope for. But in the present organization of the Olympics there is far too much that encourages aggressive patriotism. 41. According to the author, recent Olympic Games have__ A. created goodwill between the nations B. bred only false national pride C. barely showed any intemational friendship D. led to more and more misunderstanding and hatred 42. What did the manager mean by saying, " . . . Hockey and the International Hockey Federa- tion are finished" ? A. His team would no longer take part in international games. B. Hockey and the Federation are both ruined by the unfair decisions. C. There should be no more hockey matches organized by the Federation. D. The Federation should be dissolved. 43. The basketball example implied that A. too much patriotism was displayed in the incident B. the announcement to prolong the match was wrong C. the appeal jury was too hesitant in making the decision D. the American team was right in rejecting the silver medals 44 . The author gives the two examples in paragraphs 2 and 3 to show A. how false national pride led to undesirable incidents in international games B. that sportsmen have been more obedient than they used to be C. that competitiveness in the games discourages intenrational friendship D. that unfair decisions are common in Olympic Games 45. What conclusion can be drawn from the passage? A. The organization of the Olympic Games must be improved. B. Athletes should oompete as individuak in the Olympic Games. C. Sport should be played competitively rather than for the love of the game. D. International contests are liable for misunderstanding between nations.
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