Many children like playing with computers. It's very interesting and they can see a lot and know many things about other people. Of course they can learn from the radio. But they can learn easily with computers. Why? Because they can hear and watch at the same time. But they can't watch anything from the radio.

    Computers help to open children's mind( 思维)，They can find better ways to do things. Many children play with computers only on Saturday and Sunday evenings. They are very busy. But some children play with computers every night. They go to bed late. It's not good for their eyes or health.