問題詳情

31. The introduction section doesn’t summarize the purpose of this newstudy, __ it needs to be revised—if not rewritten completely.
(A)unless
(B) however
(C) moreover
(D) so

參考答案

答案:D
難度:適中0.529412
統計:A(11),B(22),C(15),D(54),E(0)

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