問題詳情

32Armstrong’s landing on the moon was ______ in 1969. It was a giant step in human history.
(A) unrepresentative
(B) untrained
(C) untitled
(D) unprecedented

參考答案

答案:D
難度:適中0.518072
統計:A(13),B(8),C(8),D(43),E(0)

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