Nowadays more and more people like to watch TV. So TV plays a very important part in our life. But watching TV has both advantages and disadvantages. Generally, the advantages can be listed as follows. Firstly, you can expand your knowledge by watching TV. As we all know, learning things by TV is much faster than by listening to the radio or just by reading books. For it has colorful pictures as well as wonderful music. Secondly, you may know anybody you want to know such as famous singers, super stars, scientists and so on. What’s more, you can go everywhere by traveling programs. Let’s suppose, if you like traveling very much, but you have to work on weekends or holidays, you must be very sad. And now open your TV and it’ll take you to anywhere. Every coin has two sides. The disadvantages are also obvious. For example, watching too much TV can easily become short-sighted, especially for children and students. To make matters worse, some young students are keen on watching TV so that they give up their studies gradually. Through above analysis, I think watching TV is a way of studying, it is good for us to watch親，，不是電視的作用啊，電視的發(fā)展，種類(lèi)之類(lèi)的啊