A:Hi，Mr. Black. 

B:Hi，Jack.1

A ： Do you know how useful the computer is

in our everyday life? 

B ;2 You know my main job is to study computer science.

A:I want to learn something from you.

B;OK. 3 For instance,you can keep in touch with your friends far away by computer. It can store a lot of information for you ，and so on.

A: 4

B ： You'd better not do so. You should master some basic computer skills. 5

A ： Thanks. I will.

A. The computer helps us do many things.

B.  Sorry. I can't.

C.  Of course I do.

D. It's good for your study and life.

E.  But I only use it to play games.

F.   What's wrong with you?

G. What can I do for you?

1.______  2.______  3.______

4.______ 5.______

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