問題詳情

39. According to the passage, if a scientist repeats an experiment several times and does not produce similar resultseach time, the experiment must be
(A)expedient
(B)invalid
(C)scientific
(D)accurate

參考答案

答案:B
難度:非常簡單1
統計:A(0),B(13),C(0),D(0),E(0)

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