We learn from the text that volunteers in the experiment ____

問題詳情

55. We learn from the text that volunteers in the experiment _____.
(A) were patients with bad coughs
(B) were divided into the three groups
(C) received standard treatments
(D) suffered little side effects

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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