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【题目】It's said that our mental abilities begin to _______ from the age 27 after reaching the highest level at 22.

A.differB.depressC.distributeD.decline

【答案】D

【解析】

考查动词词义辨析。句意:据说我们的智力在22岁时达到峰值之后,从27岁开始下降。A. differ不同;B. depress使沮丧;C. distribute分发;D. decline下降。根据句意,尤其是reaching the highest level可知此处用“下降”符合语境,故选D项。

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