TV is vey imporrtant in our life. We can get to know all kinds of events around the world. We can know the weather,information, laws, knowledge and so on. After busy work, we can watch some funny programs to relax.
TV benifits us, but sometimes it has bad influence. Some students watch TV day and night. It influences their lessons.Some programs are not good for children.
So we should choose proper programs at proper time for people in different ages. 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.
So we should choose some good programs to watch, especially for children.

电视在我们生活中非常重要，我们可以了解世界各地的事件。我们能了解天气、信息、法律、文化知识等等。忙碌的工作后我们可以看一些娱乐节目放松自己。
电视为我们带来了好处，但它也有坏影响。一些学生日夜看电视，这影响了他们的功课。一些节目不适合孩子们看。
所以我们应该按照不同的年龄，在合适的时间选取合适的节目看。
现在电视已经是我们生活中的必需品。我们可以通过电视获取各种信息。世界呈现在我们面前，国与国之间的距离因为电视变近了。每天我们看一些有趣的节目，这使我们很愉快。
虽然电视有一些好处，有时它也有坏影响。一些学生没有时间学习，因为他们把所有空闲时间都用于看电视。还有一些节目不适合孩子们。
所以我们应该选取一些好节目来看，特别是对孩子们。

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　　advertising is everywhere. we can see it on tv, computers, posters, the radio, clothes and so on. advertising appears on our eyes when we open our eyes every day. what are the advantages of advertising? it tells us what products are produced now. we can know how the world has changed. some products do help us, such as mobile phones, sports shoes and so on. but sometimes advertisements don't tell the truth about the products. for example, it tells you that if you buy this kind of shoes, you can run faster. in fact, it is not true. it is not the shoes, but the training that makes you run faster. so i think you had better believe yourself before buying something when you see the advertisement.

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　　Television brought us will be pleased to see the program, let us see growth, broaden our horizons and enrich our cultural life, modern society is an important media. But because many young people watch TV for a long time, the impact of the study, rest periods, resulting in physical and mental health hazards. Long watching television, will lead to cervical disease waist. Jin low back muscles because of the long-term in a high state of tension, if the TV display a high degree of inappropriate, incorrect posture, it will cause cervical pain, Suan Zhang, a long time, can lead to cervical disease or cervical spondylosis of the original increase. Long watching television, damage eyesight, have a "television eye." As follows: optic nerve fatigue, Shiwumohu, Suanzhang eye, vision loss. Go on for a long time, they can cause permanent vision to reduce, the formation of myopia. TV chief cause of obesity. Sat motionless long-term, low energy consumption, particularly some young people like candy while watching television, snack cakes and so on, making it much easier to get fat people.