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    【题目】The failure was a big ________to him, but he wasn't discouraged and soon got as enthusiastic as ever.

    A. blow B. issue C. excuse D. Factor

    【答案】A

    【解析】试题分析：考查名词辨析A.blow打击;B.issue问题;C.excuse借口;D.factor要素。该句意思为：这个失败对他来说是一个打击，但是他没有泄气，很快振作恢复了原来的热情。故选A

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