题目内容

【题目】Now machines （机器）are widely used all over the world. Why are machines so important and necessary(必要的) for us? Because they can help us to do things better and faster.

A washing machine helps us to wash clothes fast. A printing machine helps us to print a lot of books, newspapers, magazines and many other things fast. Bikes, cars, trains and planes are all machines. They help us to travel faster than on foot.

The computer is a wonderful machine. It was invented not long ago. It not only stores(贮存) information (信息) but also stores numbers millions of times as fast as a scientist does.

Let’s study hard and try to use all kinds of machines to build China into a modern country.

【1】Machines can help us to do things better and faster, so they_____.

A. are difficult to make B. are expensive

C. are important but not necessary D. are very helpful

【2】Computers can store information and numbers_____ a scientist does.

A. a little faster than B. as fast as

C. much faster than D. much more slowly than

【3】If we want to build China into a modern country. We must__________.

A. study hard

B. try to use all kinds of machines

C. invent many machines

D. all above

【3】A printing machine can help us___________.

A. print a lot of books B. read more books

C. invent many machines D. wash clothes fast

【答案】

【1】D

【2】C

【3】D

【4】A

【解析】

试题分析：本文介绍了机器被广泛地应用，它能帮我们做事做得又好又快。例如洗衣机，印刷机，自行车，小汽车，火车，飞机，电脑等。

【1】D考查细节理解题。A. are difficult to make 很难制造；B. are expensive很贵；C. are important but not necessary 很重要但没必要；D. are very helpful很有用。根据句意（电脑帮我们做事又好又快，因此他们很有用。）选D。

【2】C考查细节理解题。根据第三段第三句It not only stores(贮存) information (信息) but also stores numbers millions of times as fast as a scientist does.可知选C。

【3】D考查综合理解题。根据短文大意和最后一段Let’s study hard and try to use all kinds of machines to build China into a modern countr y.可知选D。

【4】A考查细节理解题。根据第二段第二句Let’s study hard and try to use all kinds of machines to build China into a modern country.可知选A。

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