题目内容
【题目】Having suffered from serious pollutions, he made up his mind to devote his life to __________ pollution from __________ again.
A. preventing; happening
B. prevent; happen
C. preventing; happens
D. preventing; will happen
【答案】A
【解析】句意:在遭受了严重的污染后,他下定决心一生致力于防止污染再发生。devote sth/oneself to sth/doing sth 致力于(做)某事;prevent sb/sth doing sth 阻止某人/某物做某事。选A。
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