- 問題詳情:Comparedtoadults,childrenseemtobemovingconstantly.Soit'snosurprisethatmostparentswhoarequizzedabouttheirchild'sphysicalactivityleveldescribetheirchildrenasfairlyactive.Butanewstudyofnearly2,000Britishschoolchildrensuggeststhatmanyparentsovere...
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