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  Now machines are 1 used all over the world. Why are machines so important and

necessary(必要的) 2 us? Because they can 3 us do things faster and 4.

  A washing machine helps us to wash clothes. A printing machine(印刷机) helps us to print a

lot of books,newspapers,magazine and many 5 things 6 . Bicycles,cars,trains and planes

are all machines. They help us to travel faster than 7 foot.

  The computer is a wonderful machine. It 8 not long ago. It 9 stores information but also

computes numbers millions of times as 10 as a scientist does.

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

1 A. wider B. more wide C. widely D. wide

  2 A. with B. of C. for D. to

  3 A. be helped B. help C. helping D. to help

  4 A. better B. well C. best D. good

  5 A. others B. the other C. other D. another

6 A. faster B. quickly C. slowly D. quick

  7 A. on B. by C. in D. with

  8 A. invents B. is invented C. was invented D. invented

  9 A. not at all B. not only C. both D. either

  10 A. quick B. fastest C. faster D. fast

1 C  2D  3B  4A  5 C  6B  7 A   8 C  9B  10 D   

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