Watching television makes it easier for toddlers（学走路的孩子）to kick and scream, according to a U.S. study. Children under two should not watch any TV. The longer they sit in front of the box, the worse their behavior bees.
Just having the TV on in the background, even if the child wasn’t watching it, was also connected to troublemaking behavior although the relationship wasn’t as strong, said the researchers.
“Parents should be smart about TV use,” researcher Jennifer Manganello from the University at Albany, New York, said.
“They should limit the time that children use TV, pay attention to the content of TV programs, and consider how TV is used throughout the home.”
The study looked at 3,128 women from 20 U.S. cities who had a child between 2005 and 2008.
While there was some diversity（差异）of education among the women, one-third hadn’t graduated from high school.
Two-thirds of the mothers said their three-year-old watched more than two hours of TV a day, and the average（平均的）viewing time for children was around three hours. On average, the TV was on for about five additional hours on a mon day.
After accounting for factors（因素）such as living in a violent neighborhood, scientists also found watching TV was strongly connected to behavior such as hitting others, having angry moods, being disobedient（不服从的）, and screaming a lot.
The researchers thought that children may see violence on TV, and spend less time on positive development tasks such as reading or playing.
The American Academy of Paediatrics suggests no TV at all for children at two and younger, and two hours a day or less for older kids.
【小题1】what is the main idea of the passage?A．Children should choose positive programs.B．Children should keep away from TV.C．Watching TV can make children violent.D．Parents should watch less TV.【小题2】what do we know from Paragraph 2?A．Children can watch good programs.B．Children will be affected as long as the TV is on.C．It’s OK that the TV is on if children don’t watch it.D．Children’s troublemaking behavior is mainly caused by watching TV.【小题3】what can be learned about the study between 2005~2008 from the passage?A．The TV was on for about three hours.B．The women studied have different jobs.C．The study included men and women.D．Most women allowed their child to watch TV.【小题4】Children who spend much time watching TV will .A．not be hit by othersB．be influenced by othersC．bee angry easilyD．know more about the neighborhoodC
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(答案→)C
解析：文章讲述了看电视对孩子的影响。
【小题1】细节题。根据文章第1段最后一句The longer they sit in front of the box, the worse their behavior bees.可知看电视对孩子的不端行为有很大的影响。
【小题2】段落大意题。根据文章第2段even if the child wasn’t watching it, was also connected to troublemaking behavior可知只要开着，电视对孩子有影响。
【小题3】根据文章倒数第4段可知大部分的母亲都让孩子看电视，只是时间长短不同。
【小题4】细节题。根据文章倒数第3段watching TV was strongly connected to behavior such as hitting others, having angry moods, being disobedient（不服从的）, and screaming a lot.可知C正确。