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电脑：With the development of science and technology, people depend more and more heavily on the computer. Computers are changing our life day by day. We can do many things on computers. For example, we can write articles, do office work and play games. But the most important usage of computers is to get on the Internet. We can do more things on the Intemet. We may do shopping, search information and communicate with people all around the world.Computers and Internet are making our life more and more convenient.
On the one hand, it can be very helpful to people who need it and treat it corTectly. The computer can broaden our knowledge about the world. It can also help us learn more about many fields of studies quickly: science, medicine, arts and so on. It is very convenient to people who are busy with their jobs, and has brought about many positive changes in our lives.
On the other hand, the computer may bring about some negative changes. For example, many children