üThe monster, i.e. television, demands absolute silence and attention. No one dares to open his mouth during a programme.
üNowadays, there are numerous programs on TV which are on the verge of making money by showing nothing other than cheap sex.
Emotional
Television prevents people from communicating with each other. It has done a lot of harm to the relationship between family members.
üA lot of parents use television as a pacifier for their children. They put their children in front of the set and don't care whether the children are exposed to rubbishy commercials or spectacles of violence as long as the children are quiet. Some people think television leads to violence, immorality, and greed for possessions.
B . doing exercise 作用于children上：(略)
第3步骤：选出最好的素材完成中心句
u children should be encouraged to watch TV to gain knowledge through media, in their spare time which is left after studying；(负面)
u children should be restricted from watching TV because Television is a great time-waster. Television takes up too much of our time. (正面)
u Watching TV is educationally pernicious for the reason that Television makes the viewer completely passive because everything is presented to him without any effort on his part. (正面)
u the sporting activities are equally important as studies, and play a major role in developing overall personality, which obviously cannot be attained merely by studying and watching TV alone；(选B)
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