真題：2010年1月考研英語試題(海文版)

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　　解析：郭崇興解析2010考研英語視頻 徐綻解析2010考研英語視頻

　　one basic weakness in a comservation system based wholly one economic motives is that most members of the land.community have no economic value.yet these ereatures are members of the biotic community and ,if its stability depends on its inteyrity,they are entitled to continuance。

　　When one of these noneconomic categories is threatened and,if we happen to love it .we invert excuses to give it economic importance.at the beginning of century songbiras were supposed to be disappearing。(46scinentists jumped to the resure with some distimctly shaky evidence to the effect that insects would eat us up of birds failed to control them)，the evideuce had to be conbmic in order to be valid。

　　It is pamful to read these round about accounts today .we have no land ethic yet ,(47but we have at least drawn near the point of admitting that birds should continue as a matter of intrinsic right,regardless of the presence or absence of economic advantage to us)

　　A panallel situation exists in respect of predatory mamals and fish-eating birds 。(48time was when biologists somewhat over worded the evidence that these creatures preserve the health of game by killing the physically weak,or that they prey only on “worthless species)

　　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 vale to pay as imeber crops (49in europe ,where forestry is ecologically more advanced ,the ncommercial tree species are recognized ad members of native forest community ,to be preserved as such ,within reason)

　　To sum up:a system of conservation based solely on economic self-interest is hopelessly lopsided。(50It 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。)without the uneconomic pats。

　　2010年考研英語翻譯之英譯漢答案

　　46.科學家們趕緊拿出某些明顯站不住腳的證據前來救駕，大致說的是如果鳥兒不能控制害蟲的話，害蟲就會把我們吃掉。

　　47.但是我們至少已經幾乎承認了這樣一種觀點：那就是鳥兒的生存是它們的固有權利，不管它對我們是否有經濟利益。

　　48.

　　曾幾何時，生物學家總是重述以下的這條證據：這些生物是為了維持食物鏈的正常運行去捕食弱小的生物或“沒有價值的物種”。

　　49在生態林業較為先進的歐洲，沒有成為商業化對象的樹種被視為原始森林群落的成員適當地加以保護。

　　50.

　　他容易忽視并最終消滅很多缺乏商業價值的物種，然而這些物種對于整個生物群落的健康運行是至關重要的。

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