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There are many useful machines（機器）in the world. One of them is the computer. A computer can do many things. A computer can do math problems. People can do math problems too. But people can’t do it as fast as a computer. Computers can remember (記住) things.

Computers remember everything people tell them. People can’t remember as many things as computers do. Computers also help to tell what the weather will be like.

A computer is a useful machine. It can not only help us work but also offer(提供)all kinds of games. But if we sit in front of the computer for too long, our eyesight will become worse and worse (越來越差).We may even forget how to read and write.

1.A computer can do things.

A.a lot B.much C.a few D.a lot of

2.From the article(文章),we know can remember more things

A.people B.machines C.computers D.games

3.Computers help to tell the weather will be like.

A.what B.how C.why D.which

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