問題詳情

When genetic engineering began in the 1970s, there was a(n) ________, andsometimes acrimonious, debate among scientists themselves about its dangers.
(A) contumacious
(B) equable
(C) execrable
(D) contentious

參考答案

答案:D
難度:適中0.6
統計:A(21),B(6),C(33),D(117),E(0)

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