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

—Would you mind moving the desk?  

—       . I will do it right away.

A. Yes, I do　       B. No, I am not　       C. Of course　  D. No, not at all

—Would you mind cleaning the blackboard?

—_____. I'll do it in a minute.

　 A .OK 　B.Yes, of Course 　C. No. not at all.

—Would you mind moving the desk?  

—       . I will do it right away.

A. Yes, I do　       B. No, I am not　       C. Of course　  D. No, not at all

— You’d better not eat too much salt. It’s bad for your health.

—_________.

A. Not at all　　　　　　　　　　　　　　　 B. You’re welcome　　

C. It doesn’t matter　　　　　　　　　　 D. Thanks for your advice