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How to Look After a Computer

Many young people use computers, but few of them know how to look after them. Remember the following when you use your computer.

1．    Keep your computer in a cool, dry room.    71   Most computers work best at a temperature of 5℃-30℃.

2．        72    Smoke of all kinds is very bad for many parts of a computer and can cause many problems.

3．        73     Pieces of food and a little water in the keyboard can also cause many problems.

4．    Make sure that the keyboard and screen are at the correct height for you.

        74    

5．    Make sure the screen（屏幕）is the correct distance (距離) from your eyes. If you wear glasses, make sure these glasses are correct for using the computer.     75  

6．    Keep your screen clean and don’t make it too bright. A dirty or a very bright screen can hurt your eyes.

在方框中選擇恰當的句子補全以上短文，將序號填在相應的橫線上。（5分）

71._______ 72._______ 73._______ 74._______ 75._______

Hurry up, ________ you'll be late for class.

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　　Last Thursday morning there was a big football match on TV. Tom knew it. He got up late when his mother came   7   his bedroom and asked, “Why do you get up late? What’s wrong with you? ”“I have a bad headache（頭痛）, I’m afraid. I can’t go to school today, Mum. Could I   8   home this morning? I think I   9   this afternoon. ”Tom answered. “But if the match is over, you must   10   to school this afternoon. ”His mother said.

　　1．A. is　　　　 　　　　　　  B. am　　　　　　　　　　 　　   C. are　　  　　　　　　　　　　 D. was

　　2．A. play　　　　　　　　　　 B. plays　　　　　　  　　　　　　  C. playing　　　　   　　   D. to play

　　3．A. watch　　　　　　　　　　 B. watches　　　　 　　   C. watched　　　　　　　　　　 D. watching

　　4．A. will be　　　　　　　　　　 B. will is　　　　　　 　　　　　　  C. is 　　　　　　　　　　 　　   D. has

　　5．A. from　　　　　　　　　　 B. on　　　　　　　　  　　   C. in　　   　　　　　　　　　　 　　   D. about

　　6．A. but　　　　　　　　　　 B. or　　　　　　　　  　　  
?

; C. on　　  　　　　　　　　　　 D. in

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

　　8．A. stayed　　　　　　　　　　 B. stay at　　　　    　　　　　　  C. stayed at　　　　 　　   D. live

　　9．A. am good　　　　　　  B. am well　　　　  　　   C. will be well　　　　　　   D. will is well

　　10．A. go to　　　　　　　　　　 B. goes to　　　　   　　   C. go　　  　　　　　　　　　　 D. going

．Hurry up, ________ you’ll not catch the first bus.

Get up quickly, ________ you'll be late for school!

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