题目内容
【题目】An optimist sees an ________in every disaster.
A. expression B. opportunity
C. appointment D. announcement
【答案】B
【解析】考查名词辨析。句意：乐观者在每一场灾难中都能看到机会。expression表现，表达；opportunity机会；appointment约会；announcement宣告，通告。结合句意可知选B.
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