Now TV has become necessary in our life。 We can get all kinds of information through TV。 The world is in front of us。 The distance between countries is shortened with the help of TV。Every day we can watch some interesting programs to make us happy。

Although TV has some benifits， sometimes it has bad influence。 Some students have no time to study because they watch TV in all the free time。 And some programs are not proper for children。

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So we should choose some good programs to watch， especially for children。