问题 选择题

Their cheerful voices showed that they were having a          discussion.

A.noisy

B.friendly

C.serious

D.nervous

答案

答案:B

题目分析:考察形容词词义辨析。A吵闹的;B友好的;C严重的;D紧张的;句意:他们快乐的声音说明他们正在进行一次友好的讨论。根据句意说明B正确。

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