- 问题详情:Doyougetenoughsleep?Withsomuchhomeworkit'softendifficulttogettherestyouneed.Butyouneedtotry,becausesleepkeepsyouhealthyanditstopsyougettingfat.Recently,agroupofUSscientistsdidastudy(调查)ofkidsagedbetween8and13.Thestudyfoundthatifkidssleepforj...
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