考研

第007句

the timber rattlesnake is now on the endangered species list, and is extinct in two eastern states in which it once flourished.

译文：粗鳞响尾蛇现已成为濒危物种，它在一度活跃过的东部两州里已经灭绝了。

第008句

it is naive to expect that any society can r2solve all the social problems it is faced with once for all.

译文：期望有什么社会可以一次性解决其面临的所有社会问题，是很天真的。

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