作业帮We live in computer age.People like scientists,teachers,writers and even students use computers to do ___work.But more than 30tears ago,___couldn't do much.They were very big and expensive.Very___people were interested in them and knew how to use the
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We live in computer age.People like scientists,teachers,writers and even students use computers to do ___work.But more than 30tears ago,___couldn't do much.They were very big and expensive.Very___people were interested in them and knew how to use the
We live in computer age.People like scientists,teachers,writers and even students use computers to do ___work.But more than 30tears ago,___couldn't do much.They were very big and expensive.Very___people were interested in them and knew how to use them.Today computers are smaller and___.___they can do a lot of work,many people like to use them.Some people even have them at home.
Computers become very important because they can work___than men and make fewer mistakes.Computers can___people do a lot of work.Writers now usc computers to wirte.Teachers use them to help teaching.Students use them to study and children use them to play games.Computers can also remember what you put___them.Computers are very___and helpful.They are our friends.
Do you want to___a computer?
( )1.A.many of B.all kinds of C.a lot D.very much
( )2.A.scientists B.techaers C.atudents D.computers
( )3.A.few B.little C.a few D.a little
( )4.A.cheap B.cheaper C.expensive D.more expensive
( )5.A.But B.And C.Since D.If
( )6.A.slow B.slower C.fast D.faster
( )7.A.help B.make C.use D.stop
( )8.A.in B.into C.on D.up
( )9.A.beautiful B.careful C.useful D.heavy
( )10.A.pay B.sell C.lend D.have
We live in computer age.People like scientists,teachers,writers and even students use computers to do ___work.But more than 30tears ago,___couldn't do much.They were very big and expensive.Very___people were interested in them and knew how to use the
1 C
2 D
3 A
4 B
5 C
6 D
7 A
8 B
9 C
10 D
B
D
A
B
B
D
A
B
C
D