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    Most children like watching TV. It's very interesting. By watching TV they can see and learn a lot and know many things about their country and the world. Of course, the can also learn over the radio. But the can learn better and more easily on TV. Why? Because they can hear and watch at the same time. But they can't see anything over the radio. Many children watch TV only on Saturday or Sunday evening. They are always busy with their lessons. But some children watch TV every night. They go to bed very late. They can't have a good rest. How about you, my young friend?