問題詳情

30. To control the threat of chemical ___________ to human health, the government will lower the permissible levelin agriculture.
(A) pesticides
(B) persistence
(C) projection
(D)prohibition

參考答案

答案:A
難度:非常簡單1
統計:A(1),B(0),C(0),D(0),E(0)

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