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  3. The first paragraph mainly tells us that Which of the following might be the best title for this passage?

The first paragraph mainly tells us that Which of the following might be the best title for this passage?

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问题 The first paragraph mainly tells us that
Which of the following might be the best title for this passage?
选项 A、Smaller Households, Larger Damage.
B、Wildlife, Also Right to Live.
C、Soaring Population, Rising Hazard to Wildlife.
D、Environmental Pollution, Enormous Threat to Wildlife.
答案A
解析 本题问文章的题目。第一段说地球上的野生动植物面临着新的威胁，即由于家庭规模变小而引起的家庭总量增加。接下来的几段通过Dr. Liu的研究表明家庭的增加会破坏野生动植物的生活环境，从而影响生物多样性。最后一段Daily说"…if family groups continue to become smaller and smaller，we might continue losing biodiversity"，故"小家庭，大危害"正确。(注意区分household和house，前者是指一家人，后者指家居面积)。野生动植物，它们也有生存的权利：文章的侧重点在于阐述家庭数量增多对野生动植物生存环境的影响，而并没有对野生动植物的生存权利进行讨论。急速增长的人口，对野生动植物的巨大危害：文中虽然提及人口增长，但本文的中心并不在此，并且从第一段第四句"Even where populations have actually dwindled...the number of individual households has in-creased"，可以看出家庭数量的增加给某些人口负增长的地区也带来了危害。环境污染，对野生动植物的巨大威胁：这只是文章中提到的细节。
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