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外语
As a defense against air-pollution damage, many plants and animals ______ a substance to absorb harmful chemicals.
As a defense against air-pollution damage, many plants and animals ______ a substance to absorb harmful chemicals.
admin
2019-06-25
37
问题
As a defense against air-pollution damage, many plants and animals ______ a substance to absorb harmful chemicals.
选项
A、relieve
B、dismiss
C、release
D、discard
答案
C
解析
根据句中的against及to absorb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”。
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专业英语四级
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