历年考研英语真题下载：2010年考研英语(一)真题
Part C
Directions:
Read the following text carefullyand then translate the underlined segments into Chinese. Your translation should bewritten clearly on ANSWER SHEET 2. (10 points)
One basic weakness in a conservation system based wholly on econom ic motives is that most members of the land community have no economic value. Yet these creatures are members of the biotic community and, if its stability depends on its integrity, they are entitled to continuance.
When one of these noneconomic categories is threatened and, if we happen to love it, we invent excuses to give it economic importance. At the beginning of the century songbirds were supposed to be disappearing.(46)Scientists ju mped to the rescue with some distinctly shaky evidence to the effect that insects would eat us up if birds failed to control them. The evidence had to be economic in order to be valid.
It is painful to read these roundabout accounts today. We have no land ethic yet, (47) but we have at least drawn nearer the point of adm itting that birds should continue as a matter of intrinsic right, regardless of the presence or absence of economic advantage to us.
A parallel situation exists in respect of predatory mammals and fish-eating birds. (48)Time was when biologists som ewhat overworked the evidence that these creatures preserve the health of game by killing the physically weak, or that they prey only on “worthless” species.Here again, the evidence had to be economic in order to be valid. It is only in recent years that we hear the more honest argumentthat predators are members of the community, and that no special interest has the right to exte rminate the m f or the sake of a benefit, real or fancied, to itself.
Some species of tree have been“read out of the party” by economics-minded foresters because they grow too slowly, or have too low a sale value to pay as timber crops.(49) In Europe, where forestry is ecologically more advanced, the noncommercial tree species are recognized as members of native forest community, to be preserved as such, within reason. Moreover, some have been found to have a valuable function in building up soil fertility. The interdependence of the forest and its constit uent tree species, ground flora, and fauna is taken for granted.
To sum up: a systemof conservation based solely on economic self-interest is hopelessly lopsided. (50) It tends to ignore , and thus eventually to eliminate, many elements in the land community that lack commercial value,but that are essential to its healthy functioning. It assumes, falsely, that the economic parts of the biotic clock will function without the uneconomic parts.
Section III Writing
Part A
51. Directions:
You are supposed to write for the Postgraduates’ Associ ation a notice to recruit volunteers for an international c onference on globalization. The notice should include the basic qualificationsof applicants and other information which you think is relevant.
You should write about 100 words on ANSWER SHEET 2.
Do not sign your own nam e at the end of the notice. Use "postgraduates’ Association" instead. （10 points）
Part B
52. Directions:
Write an essay of 160-200 words based on the following drawing. In your essay, you should
1) describe the drawing briefly,
2) explain its intended meaning, and
3) give your comments.
You should write neatly on ANSWER SHEET 2. （20 points）
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