What is the best title for the text? The underlined word "boost” in the last paragraph means

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问题 What is the best title for the text?
The underlined word "boost” in the last paragraph means

选项 A、watch
B、stop
C、lower
D、increase

答案D

解析 如最后一段所述,睡眠时,大脑忙于“作业”——整理来自白天的信息。夜晚充足的睡眠可以帮助回复增加脑力,以便第二天更好地学习(和工作)。故[D]项正确。
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