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    精英家教网 > 高中英语 > 题目详情
    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
    D
    【考点】动词词义辨析
    根据句意：根据科学家研究，我们的精神气在22岁达到高峰值之后便从27岁开始下滑（decline）。differ不同；shrink缩水；fail失败、衰竭，均不符合语境，故排除。
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