問題詳情

4.According to the article, what does the idiom “hole in the wall” experiment mean?
(A)a very fancy and expensive experiment
(B)an experiment that has failed
(C)a modest and inexpensive experiment
(D)an experiment that has succeeded

參考答案

答案:C
難度:適中0.696809
統計:A(4),B(3),C(131),D(47),E(0)

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