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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 (距离) 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.
在方框中选择恰当的句子补全以上短文，将序号填在相应的横线上。（5分）
| A. Some people use a different pair of glasses when using a computer. B. Too much or too little heat (热量) is bad for computers. C. Don’t eat or drink when you are near your computer. D. If they are not at the correct height, you will get a backache. E. Don’t let people smoke near your computer. |
71._______ 72._______ 73._______ 74._______ 75._______
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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．
Do not let people smoke cigarettes near your computer．Smoke 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 call also cause many problems．
Make sure that the keyboard and tile screen 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， ．
A．more and more people can control computers as well as take care of them．
B．fewer and fewer people pay any attention to the protection of the computers nowadays．
C．most young people can control computers well while paying little attention to keeping them well．
D．most computer lovers are fond of eating their food while playing computer games．
2．Computer，just like some people，may prefer（更喜欢） ．
A．autumn to（比起）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．have to straighten your back long every time
B．have to lower your head while using the computer
C．don't have to look at your manuscript while typing
D．don't have to look sideways from time to time
4．Some people use a different pair of glasses when they use a computer because they want to ．
A．protect the computer B．prevent their eyes being hurt
C．make them look cool D．show off 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 should wear a different pair of glasses when you use a computer．
D．You should use a computer screen instead of a TV screen．
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A
Today almost everyone knows computers and the Internet. If I ask you “What is the most important in your life?” maybe you will say “Computers and the Internet.”
The first computer was made in 1946. it was very big but it worked slowly. Today computers are getting smaller and smaller. But they work faster and faster. What can computers do? A writer has said, “People can’t live without computers today.”
The Internet came a little later than computers. It is about twenty-five years later than computers. But now it can be found almost everywhere. We can use it to read books, writer letters, do shopping, play computer games or make friends.
Many students like the Internet very much. They often go into the Internet as soon as they are free. They make friends on the Internet and maybe they have never seen these friends. They don’t know their real names, ages, and even sex. They are so interested in making the “unreal friends” that they can’t put their hearts into study. Many of them can’t catch up with others on many subjects because of that.
We can use computers and the Internet to learn more about the world. But at the same time, we should remember that not all the things can be done by computers and the Internet.
1. The Internet can not be used for______.
A. studying B. shopping C. thinking D. playing
2. When the computer was invented, it was______.
A. large and worked quickly B. small and worked slowly
C. large but worked slowly D. small but worked quickly
3. The Internet was born in about________.
A. 1960 B. 1970 C. 1980 D. 1985
4. Which of the following is TRUE?
A. Few students like going into the Internet. B. Students use the Internet to make “unreal friends.”
C. These “Unreal friends” often meet each other D. Students know the friends on the Internet very well
5. What does the writer think of the Internet?
A. It is wonderful B. It can make students study harder
C. It is not good for students D. It is helpful, but we can’t do everything on it.
B
Until a few years ago, only boys could become students at the university of Ruritania （鲁里坦尼亚大学）. Later the university decided to take girls in. But one of the teachers, Mr Goller, was not pleased at all. He had not wanted to let girl students in.
Mr Goller always began his lessons with the word “Gentlemen!” What could he do now? Well, when the girl students came to his lessons for the first time, he still began with the word. For him the girls were just not there. Then one day there was only one boy in his class among a lot of girls. For a moment, Mr Goller didn't know what to do. Then he began, “Sir! ”
Finally a terrible day came when there were no boys in his class He came into the room, looked at the girls and said, “Oh, nobody's here today!” he turned and went out without giving his lessons.
6．Several years ago, ______.
A．there was no girl studying in the university.
B．Mr Goller didn't teach in the university
C．the university let girl students in
D．most of the students in the university were boys.
7．Mr Goller usually said “______”when he began his lessons.
A．Sir B．Good morning C．Gentlemen D．Hello
8．When the girls came to his lessons, Mr Goller was ______.
A．surprised B．afraid C．glad D．unhappy
9．The writer wants us to know how Mr Goller ______.
A．agreed to let the girls in B．didn't like his teaching
C．always didn't know What to do with the girls D．only liked to teach boy students.
10．We can know from the passage that ______.
A．the boy students didn't enjoy Mr Goller's lessons
B．we will not see the girl students in Mr Goller's class.
C．Mr Goller was loved by his students
D．Mr Goller will not work in the university.
查看习题详情和答案>>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．
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