福建师范大学网络教育招生：http://px.liexue.cn/school2061/
\slower-paced and more mundane (ordinary, unexciting) tasks, such as school work,\
It was also possible that TV viewing may replace other activities that promote concentration, such as reading, games, sports and play, he said.
While early TV viewing had no effect on kids' behavior if they watched less TV later on, children who were heavy TV watchers at 2 to 5 years of age had more attention and sleep problems and behaved more aggressively. And children who had TVs in their bedrooms at age 5.5 had more sleep problems and duller emotional reactivity than their peers with TV-free bedrooms.
\television viewing at bedtime, thereby interfering with regular sleep patterns and decreasing the intensity with which children react to stimulation,\researchers write.
(49) Most children plug into the world of television long before they enter school: 70% of child-care-centers use TV during a typical day. In a year, the average child spends 900 hours in school and nearly 1,023 hours in front of a TV.
Kids in the United States watch about 4 hours of TV a day—even though scientific guidelines say children older than 2 should watch no more than 1 to 2 hours a day of quality programming.
And, according to the guidelines, children under age 2 should have no \time\the first 2 years, a critical time for brain development, TV can get in the way of exploring, learning, and spending time interacting and playing with parents and others, which helps young children develop the skills they need to grow cognitively, physically, socially, and emotionally.
Of course, television can be a good thing: Preschoolers can get help learning the alphabet on public television, grade scholars can learn about wildlife on nature shows, and parents can keep up with current events on the evening news. No doubt about it - TV can be an excellent educator and entertainer.
But despite its advantages, too much television can be detrimental. For example, research has shown that children who consistently spend more than 4 hours per day watching TV are more likely to be overweight. Kids who view violent 猎学网为学员提供优质教育资源
福建师范大学网络教育招生：http://px.liexue.cn/school2061/
events, such as a kidnapping or murder, are also more likely to believe that the world is scary and that something bad will happen to them. Research also indicates that TV consistently reinforces gender-role and racial stereotypes.
Part V Writing (20%, 30 minutes)
51. Directions: For this part, you are allowed 30 minutes to write a composition about What Would Happen If There Were No Power in three paragraphs. You are given the first sentence or part of the first sentence of each paragraph. Your composition should be no less than 200 words, not including the words given. You are expected to write neatly.
What Would Happen If There Were No Power
Ever since early this century, electricity has become an essential part of our
modern
life.
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（The End）
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