As a defense against air-pollution damage many plants and animals ______ a substance to a

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As a defense against air-pollution damage, many plants and animals ______ a substance to absorb harmful chemicals.

A.relieve

B.dismiss

C.release

D.discard

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗

答案解析

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  • 正确答案:C
    动词词义辨析题。根据句中的against及toabsorb可知,许多动植物应释放某种物质才能达到此目的,release“释放”符合题意。relieve表示“减轻,救济”;dismiss表示“解散,下课,开除”;discard表示“丢弃,抛弃”。