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  • 更新 2022-09-03
  • 科目 英语
  • 题型 阅读理解
  • 难度 中等
  • 浏览 1142

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.
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

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

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

A printing machine can help us___________.

A.print a lot of books B.read more books
C.invent many machines D.wash clothes fast
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Nowmachines(机器)arewidelyusedal