問題詳情

42.Research shows that cancer is not one disease and that it is dozens of them, each with different ___________ that make the fight diabolically difficult.
(A)inventions
(B)rhythms
(C)solutions
(D)mechanisms

參考答案

答案:D
難度:適中0.522727
統計:A(2),B(1),C(16),D(23),E(0)

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