题目内容：

阅读下面短文，从短文后所给的选项中选出能够填入短文空白处的最佳选项，使短文通顺连贯、意思完整，其中有两项是多余选项。

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(香烟) 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(距离) 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.