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　　In recent years , xx has caused a heated debate on .

　　The factors for .First of all ,.Then , there comes a case that . Moreover , . Especially when .

　　Indeed, these unique points can be collected theo remind people that .In this way ,we should behave just like .

　　The impact of Television

　　In recent years , with the development of science and technology ,80 percent of all homes in China have satellite TV , offering as many as 50 channels .It has caused a heated debate on . Many parentsare worried about the impact of so much television on children.

　　The factors for .First of all ,.Then , there comes a case that .

　　Moreover , . Especially when .

　　Indeed, these unique points can be connected to remind parents that .In this way ,children will not be influented too deeply .