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Chemical pollution will bring about a threat to agriculture and food chain, and

to human health.

A. frequently B. significantly

C. steadily D. consequently

 

D

【解析】

试题分析:考查副词。A. frequently频繁地;B. significantly意味深长地;C. steadily稳定地;D. consequently因此。句意:化学污染将给农业和食物链带来威胁,因此也会对人类健康带来威胁。故D正确。

考点:考查副词

 

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