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- 问题详情：ToomuchTV-watchingcanharmchildren’sabilitytolearnandevenreducetheirchancesofgettingacollegedegree,newstudiessuggestinthelatestefforttoexaminetheeffectsoftelevisiononchildren．Oneofthestudieslookedatnearly400northernCaliforniathird-graders．Those...
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