Paragraph 5_______A.Man should be cautious in che

外语类 2020-04-28 00:18:19 已帮助人

Paragraph 5_______

A.Man should be cautious in chemical use.

B.It takes generations for mankind to adapt themselves to the chemicals.

C.Chemicals are human’s invention

D.Human’s power increases and has changed its character in the past quarter century.

E.The new change in the relationship between earth and its creature一human’s power playing a greater role in changing the world

F. Modern world gives no time for nature to adjust to human.

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答案：B
本题考查的是对所读材料大意与主旨的掌握。第五段第一句是主旨句："To survive these chemicals would require not merely the years of one man’s life but the life of generations.”为了在这些化学制品中存活下来，人类需要付出的不只是一个人一生的时间，而是几代人的时间。选项B中提到：" It takes generations for mankind to adapt themselves to the chemicals.”概括了本段的大意，所以B是答案。