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科学美国人60秒 SSS 2013-10-07

时间：2013-11-26 05:47:42

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（单词翻译）

 The mid-day nap is a pre-school tradition, but is it necessary? Some pre-school plan to eliminate this downtime to fit in more teaching, which could come the expense of learning.  Because study suggests that a snooth may help children to retain more information they learned earlier in the day. The work was published on Plus One.

To see how naps effect academic performance, researchers taught 40 pre-scholars between the age of three to six to perform a memory task.  After a few hours of break time, the children either stayed awake or got to nap, sleeping for average of 77 minutes. Although napping makes no difference to feeling sleepiness, it did enhance memory. When tested later in the day, students who had rested performed better. Even the next day, students who napped at the initial lesson still retained more information. The benefit was greatest  for students who take naps regularly, not just in studying, which suggests schools may want to keep more school on the syllabus1.

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1 syllabus PqMyf     
n.教学大纲，课程大纲
参考例句：
  • Have you got next year's syllabus?你拿到明年的教学大纲了吗？
  • We must try to diversify the syllabus to attract more students.我们应该使教学大纲内容多样化，可以多吸引学生。

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