Do you know how ________ the computer？

A. use

B. to use

C. uses

D. using

Many young people can use the computer, but few of them know how to look after them．

Remember the following when you use the computer．

Keep your computer in a cool, dry room．Too much or too little heat is bad for computers．Damp is also bad for them．Most computers work best at a temperature of 5-30 degrees centigrade．Computer, just like some people, may prefer（更喜欢）autumn to （比起） summer and winter．Do not let people smoke cigarettes near your computer．Smoke of all kinds is very bad for many parts of a computer and can cause many problems．

Do not 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 that the keyboard and the screen （键盘与屏幕） are the correct height for you．If they are not correct, you'll get backache．

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 a computer．

Keep your screen clean and do not have it too bright．A dirty screen can hurt your eyes．A very bright screen can also be bad for your eyes．If you can afford one, buy a computer screen．It will be better for you than using the screen of a TV set．

1．According to this passage （根据文章）, ____________

A．more and more people can use computers and take care of them．

B．fewer and fewer people know how to the protection of the computers nowadays．

C．many young people can use computers but few of them know how to look after them．

D．Most computer lovers are fond of eating their food while playing computer games．

2．Computer, just like some people, may prefer__________

A．autumn to summer and winter                   B．neither winter nor summer or autumn

C．summer to winter and autumn                   D．both summer and winter

3．Putting the keyboard and screen too high means you ____________

A．will get backache．

B．will have a headache．

C．don't have to look at your manuscript （稿件） while typing

D．are hard-working

4．Some people use a different pair of glasses when they use a computer because they want to______

A．protect the computer

B．prevent （ 防止） their eyes being hurt（被伤害）

C．make them look cool

D．show off（炫耀） his glasses

5．Which is NOT true according to the passage?

A．If the height of the screen isn't correct, you'll get backache．

B．Smoking is bad for a computer and is one of the cause of many problems．

C．You can eat or drink when you are near your computer．

D．Make sure the screen is the correct distance from your eyes．

These days, many students like playing 3D games. Do you know what 3D games are like? In most 3D games, game players need to control (控制) a character. The character can be a robot or a soldier (士兵). Game players usually use the mouse to make the character move around in his own world. Game players can find things such as food and weapons (武器) to help them go on with the game. The character can go straight, sit down, turn left, turn right or pick up things in the game.
Some 3D games have many levels (等级). The character needs to finish different goals for each level. Game players can play against their computers, and sometimes they can play with other players online. It’s great fun to play 3D games. But playing 3D games for long is not good for our study.
【小题1】In most 3D games, game players need to _________.

A．control a character

B．find a robot

C．act as a soldier

D．control the computer

【小题2】How do game players make the character move around?

A．By using the keyboard	B．By using the mouse
C．By telling the directions	D．By moving the computer.

【小题3】In the game, the character can _________.

A．go straight and sit down	B．turn left and turn right
C．Pick up things	D．A, B and C

【小题4】Which of the following is NOT true according to the passage?

A．Some 3D games have many levels.

B．The character needs to finish different goals for each level.

C．Game players can only play against their computers.

D．Game players can go online and play with other players together.