![TheaverageAmericanchildspendsthreetofivehoursadaywatchi...]( "TheaverageAmericanchildspendsthreetofivehoursadaywatchi...")
- 問題詳情：TheaverageAmericanchildspendsthreetofivehoursadaywatchingTV.In1961,theaveragechildbegantowatchtelevisionatagethree;however,todayitisninemonths.Yet,mostparentsthinkthattelevisionhasbadinfluenceontheirchildren.Forexample,intheearly1970s,myparen...
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