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- 问题详情：ABrownUniversitysleepresearcherhassomeadviceforpeoplewhorunhighschools:Don’tstartclassessoearlyinthemorning.Itmaynotbethatthestudentswhonodoff（打盹）attheirdesksarelazy.Anditmaynotbethattheirparentshavefailedtoenforce(确保)bedtime.Instead,itmay...
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