完形填空The computer plays an important part in our everyday lif

完形填空The computer plays an important part in our everyday life
完形填空
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 （时期,阶段）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 for people .It can help us to（8）about the real world more quickly ,to learn （9）we want to learn and to think for ourselves .（10）students in the twenty-first century ,we must work hard at it .
（）1.A.inventions B.discoveries C.inventors
（）2.A.also B.but also C.too
（）3.A.in B.to C.by
（）4.A.found B.invented C.called
（）5.A.For B.Since C.When
（）6..A.by B.across C.through
（）1.A.B.C.
（）7.A.serious B.harmful C.helpful
（）8.A.know B.tell C.talk
（）9.A.what B.that C.who
（）10.A.For B.As C.To