According to scientists, our mental abilities begin to______ from the age of 27 after reaching the highest level at 22.A.differB.shrinkC.failD.decline
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D解析试题分析:考查动词辨析:句意:据科学家研究表明,我们大脑的能力在22岁左右达到最高,从27岁开始逐渐消退。A. differ不同,B. shrink 缩水,C. fail失败,失灵,D. decline 衰退,下降,吸引,选D。
考点:考查动词短语