問題詳情

73. What was an effect of Rachel Carson's book?
(A) DDT was prohibited in many countries.
(B) People fully understood the effects of DDT.
(C) A new type of DDT was developed.
(D) An antidote to DDT was developed.

參考答案

答案:A
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)

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