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
(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：非常困難0
統計：A(0),B(0),C(0),D(0),E(0) #
個人：尚未作答書單：介係詞
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