According to scientists, our mental abilities begin to from the age of 27 after reaching the highest level at 22．A．declineB．differC．failD．shrink 题目和参考答案——青夏教育精英家教网—

题目内容

According to scientists, our mental abilities begin to _______ from the age of 27 after reaching the highest level at 22．

A．decline

B．differ

C．fail

D．shrink

解析试题分析：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. decline 衰退，下降，吸引， B. differ不同， C. fail失败，失灵，D. shrink 缩水，选A。
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