閱讀下面短文，從短文后所給的選項(xiàng)中選出能夠填入短文空白處的最佳選項(xiàng)，使短文通順連貫、意思完整，其中有兩項(xiàng)是多余選項(xiàng)。

Many young people use computers, but few of them know how to look after them. 1.

※Keep your computer in a cool room. 2. Most computers work best at a temperature of 5℃ — 30℃.

※Don’t let people smoke cigarette(香煙) near your computer. Smoke of all kinds is very bad for many parts of a computer 3.

※Don’t eat or drink when you are near your computer. Pieces of food and a little water in the keyboard can also cause many problems.

※4. If you wear glasses, make sure these glasses are correct for using with the computer. Some people use a different pair of glasses when they use a computer.

※Keep your screen clean and don’t have it too bright. 5. A very bright screen can also be bad for your eyes.

A.and it can cause many problems.

B.Put your wet hands on the computer.

C.Make sure the screen is the correct distance(距離) from your eyes.

D.Remember the following when you use your computer.

E.Too much or too little heat is bad for computers.

F.You can put it near a fire.

G.A dirty screen can hurt your eyes.

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