大学英语竞赛改错.doc
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1、1.Until the very latest moment of his existence, man has been bound to the planet on which he originated and developed. Now he had the capability to leave that planet S1._ and move out into the universe to those worlds which he has known previously only directly. Men have explored S2._ parts of the
2、moon, put spaceships in orbit around another planet and possibly within the decade will land into another S3._ planet and explore it. Can we be too bold as to S4._ suggest that we may be able to colonize other planet S5._within the not - too - distant future ? Some have advocated such a procedure as
3、 a solution to the population problem: ship the excess people off to the moon. But we must keep in head the billions of dollars we might S6._ spend in carrying out the project. To maintain the earths population at its present level. we would have to blast off into space 7,500 people every hour of ev
4、ery day of the year. Why are we spending so little money on space S7._ exploration ? Consider the great need for improving S8._ many aspects of the global environment, one is surely justified in his concern for the money and resources that they are poured into the space exploration efforts. S9._ But
5、 perhaps we should look at both sides of the coin before arriving hasty conclusions. S10._ 00.6When you start talking about good and bad manners you immediately start meeting difficulties. Many people just cannot agree what they mean. We asked a lady, who replied that she thought you could tell a we
6、ll-mannered person on the way they occupied the S1._space around themfor example, when such a person walks down a street he or she is constantly unaware of S2._ others. Such people never bump into other people. However, a second person thought that this was more a question of civilized behavior as g
7、ood manners. S3._Instead, this other person told us a story, it he S4._said was quite well known, about an American who had been invited to an Arab meal at one of the countries S5._ of the Middle East. The American hasnt been S6._ told very much about the kind of food he might expect. If he had know
8、n about American food, he S7._ might have behaved better. Immediately before him was a very flat piece of bread that looked, to him, very much as a napkin (餐巾). S8._Picking it up, he put it into his collar, so that it falls across his shirt. His Arab host, who had been S9._ watching, said of nothing
9、, but immediately copied S10._ the action of his guest. And that, said this second person, was a fine example of good manners.01.6More people die of tuberculosis (结核病) than of anyother disease caused by a single agent. This has probablybeen the case in quite a while. During the early stages of S1. _
10、the industrial revolution, perhaps one in every seventh S2. _deaths in Europes crowded cities were caused by the S3. _disease. From now on, though, western eyes, missing the S4. _global picture, saw the trouble going into decline. Withoccasional breaks for war, the rates of death andinfection in the
11、 Europe and America dropped steadily S5. _through the 19th and 20th centuries. In the 1950s, theintroduction of antibiotics (抗菌素) strengthened thetrend in rich countries, and the antibiotics were allowedto be imported to poor countries. Medical researchers S6. _declared victory and withdrew. They ar
12、e wrong. In the mid-1980s the frequency of S7. _infections and deaths started to pick up again around theworld. Where tuberculosis vanished, it came back; in S8. _many places where it had never been away, it grew better. S9. _The World Health Organization estimates that 1.7billion people (a third of
13、 the earths population) sufferfrom tuberculosis. Even when the infection rate wasfalling, population growth kept the number of clinicalcases more or less constantly at 8 million a year. Around S10. _3 million of those people died, nearly all of them in poorcountries.02.1Sporting activities are essen
14、tially modified forms of hunting behavior. Viewing biologically, the modern footballer is revealed as a S1._member of a disguised hunting pack. His killing weapon has turned into a harmless football and his prey into a goal-mouth. If his aim is inaccurate S2._and he scores a goal, enjoys the hunters
15、 triumph of killing his prey. S3._ To understand how this transformation has taken place we must briefly look up at our ancient ancestors. They spent over a S4._million year evolving as co-operative hunters. Their very survival S5._depended on success in the hunting-field. Under this pressure their
16、whole way of life, even if their bodies, became radically changed. They became S6._ chasers, runners, jumpers, aimers, throwers and prey-killers. They co-operate as skillful male-group attackers. S7._ Then, about ten thousand years ago, when this immensely long S8._ formative period of hunting for f
17、ood, they became farmers. Their improved intelligence, so vital to their old hunting life, were put to a new S9._use-that of penning ( 把关在圈中), controlling and domesticating their prey. The food was there on the farms, awaiting their needs. The risks and uncertainties of farming were no longer essent
18、ial for survival. S10._02.6A great many cities are experiencing difficulties which are nothing new in the history of cities, except in their scale. Some cities have lost their original purpose and have not found new one. And any large or rich city is going to attract poor S1._ immigrants, who flood
19、in, filling with hopes of prosperity S2._ which are then often disappointing. There are backward towns on the edge of Bombay or Brasilia, just as though there were S3._ on the edge of seventeenth-century London or early nine-teenth-century Paris. This is new is the scale. Descriptions S4._ written b
20、y eighteenth-century travelers of the poor of Mexico City, and the enormous contrasts that was to be found there, S5._ are very dissimilar to descriptions of Mexico City today the S6._poor can still be numbered in millions. The whole monstrous growth rests on economic prosperity, but behind it lies
21、two myths: the myth of the city as a S7._ promised land, that attracts immigrants from rural poverty S8._ and brings it flooding into city centers, and the myth of the S9._country as a Garden of Eden, which, a few generations late, S10._ sends them flooding out again to the suburbs. 03.6The Seattle
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