Radio and television are very popular in the world today. Millions of people watch TV. Perhaps more people listen to the radio.
The TV is more useful than the radio. On TV we can see and hear what is happening in the world. However， radio isn't lost. It is still with us. And listeners are becoming more. That's because of a transistor. It is very easy to carry. You can put one in your pocket and listen to it on the bus or your bike when you go to work.
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