(十二) (中考•荊州) 

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

        ◆Keep your computer in a cool room. Too much or too little heat is bad lor computers. Most computers work best at a temperature of 5°C 〜30°C.

        ◆Don't let people smoke cigarettes (香煙) near your computer. Smoke of all kinds is very bad for many parts of a computer and can cause many problems.

        ◆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.

        ◆Make sure the screen is the correct distance from your eyes. 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 computers.

        ◆Keep your screen clean and don't have it too bright. A dirty screen can hurt your eyes. A very bright screen can also be bad for your eyes.

() 1. According to the passage you should use your computer .

   A. in a small room   B. in a big room

   C. in a cool room   D. below 5°C

() 2. When you woik on the computer,you can .

   A. wear glasses

   B. smoke cigarettes

   C. eat some hamburgers

   D. clean the keyboard with water

() 3. If you want to look after your eyes,you should when you use computers.

   A. buy a pair of sunglasses

   B. keep your screen clean

   C. have your screen very bright

   D. keep your screen near your eyes

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