The computer plays an important part in our everyday life. It is one of the great 1 in the world in the twentieth century. It works for us not only at home. in the offices, in big shops, 2 at schools. Today it is used 3 many ways. It really brings the world large wealth(财富)and happiness. The first computer in the world was 4 Enid. It was built in America in 1946.It was large and heavy. 5 it was born. it has been developing very fast. Until now it has gone 6 four periods and changed a lot. There re many kinds of computers.Computers are getting smaller and smaller, and computing faster and faster. It becomes more and more 7 . The computer can do most of the things 8 the people. It can help us to know about the real world more quickly, to learn 9 we want to learn and to think for ourselves. 10 a student in the twenty-first century, you must work hard at it.