Computers can injure you. Most other injuries happen suddenly. For example, if you fall off a bike and break your arms, it happens very quickly. But computer injuries happen slowly.
You probably know how to ride a bike safely. Now learn to use a computer safely.
Your eyes
Too much light can injure your eyes, so never sit too close to a computer screen. Your eyes should be at least 50cm from the screen. Remember to look away from it sometimes. This gives your eyes a rest.
When you use a computer, the window should be on your left or your right. If it is behind you, the light will reflect(反射) on the screen. If the window is in front of you, the sun and the screen will both shine into your eyes.
Your hands and wrists(手腕)
Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time, follow these rules: ①Rest your wrists on something. ②Keep your elbows at the same height as the keyboard. ③Stop sometimes and exercise your hands, wrists and fingers in a different way.
Your back
Some people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all the parallel (平行) to the floor. If you are sitting for a long time, get up every 30 minutes and exercise your arms, legs and neck. A computer screen may injure your eyes if __________.
A. you sit 60cm away
B. your eyes are too close to it
C. the window is on your left or rightHand and wrist injuries are caused when you __________.
A. move in the same way again and again
B. rest your wrists on something
C. keep your elbows as high as the keyboardWhen using a computer, your eyes and hands will be safe if you __________.
A. work near a window
B. work for a long time
C. take rests at timesIt is good for your back and neck if you sit __________.
A. for many hours
B. in the right way
C. with the screen below your eyesWhat would be the best title for the text?
A. How to Use a Computer Safely
B. How to Keep your Hands and Wrists Safe
C. How to Protect your Eyes and your Back
Jack is an eleven-year-old boy. He has a father, a mother, a grandfather and two brothers in his family. Jack is the youngest (年龄最小的). One of his brothers, Tim, is fourteen years old. The other brother, Mike, is fifteen years old. What’s eleven and fourteen and fifteen? That is Jack’s father John’s age. Jack’s mother is very young. She gives birth to (生下) Jack when she is twenty-five years old. Jack doesn’t know his grandfather’s age. He is very old but very healthy.There are seven people in Jack’s family.
Jack doesn’t have a sister.
John is thirty years old.
Jack’s mother is twenty-five years old.
Jack’s grandfather isn’t old and he is healthy.
| 1. Mrs. Li wants to send her daughter to take some piano lessons during the coming summer holiday. 2. Betty and her boyfriend want to spend the weekend to watch something new. They both like dancing. 3. Darning wants to buy some newspaper to read so that he can improve his English. 4. Mr. Black wants to come to Beijing for the first time in August. He wants to enjoy the real Beijing Opera very much. 5. Tony and his colleagues will have a trip in Guangzhou next week. They need to rent a car and a driver who understands English. |
A. Watch Your Neck: This modern ballet is telling the story of “Dracula” which is the classic novel by Irish playwright Bram Stoker. Time: 8:30 pm, February 2-9 Tel:98558588 B. Children’s Activity Center Tel: 66589982 Add: No. 2 Zhongshan Road (Singing lessons, piano lessons and dancing lessons.) C. Art Show: A total of 10 artists living close to each other are jointly giving an art exhibition. D. Peking Opera: Mei Lanfang’s brave fighting against the Japanese during the war of Resistance against Japanese will open your mind. E. Foreign Book Center: More and more increasing learning English books and newspapers, CDs. ect. F. The Changcheng hotel: Five star hotel. Looking for much experienced receptionists. Tel: (010)55883326 G. Car-Hire Service: 12 seat Forit transit van for hire in Zhujing Business and Private Hire. We have English-speaking drivers. |
If you go to Finland, you’ll be surprised to find how “foolish” the Finnish people are.
Take the taxi drivers for example. Taxis in Finland are mostly high class Benz with a fare (票价) of two US dollars a kilometer. You can go anywhere in one, tell the driver to drop you at any place, say that you have some business to attend to, and then get off without paying your fare. And the driver would not show the least sign of worry.
The dining rooms in all big hotels not only serve their guests, but also outside diners. Hotel guests have their meals free, so their good faith is to wave their registration card to the waiter. With such a loose check, you can easily use any old registration card to take a couple of friends and dine free of charge.
With so many loopholes (漏洞) in everyday life, surely Finland must be a heaven to those who love to take “pretty advantages”. But the strange things is, all the taxi-passengers would always come back to pay their fare after they have attended to their business; not a single outsider has ever been found in the free hotel dining rooms. As the Finns always act on good faith and always show an attitude of “which is which” and “what is what” in everything they do, so to live in such a society has turned everyone into a real “gentleman”. In a society of such high moral practice, what need is there for people to take precautions (预防措施) against others?The word “foolish” probably means _____________.
| A．friendly | B．careful | C．strange | D．funny |
Why wouldn’t the driver show the least sign of worry? Because _________.
| A．he is sure that the passengers always act on good faith |
| B．he is afraid to make the passengers angry and unhappy |
| C．he thinks the passengers may be too poor to pay him |
| D．he is sure that the passengers are really in trouble |
The dining rooms in all big hotels ___________.
| A．check the guests’ registration card carefully |
| B．give people meals without paying |
| C．serve their guests free of charge |
| D．only serve their guests free breakfast |
What’s FALSE according to the passage?
| A．No one takes advantages although there are many loopholes. |
| B．All the taxi-passengers come back to pay their fare after they have attended to their business. |
| C．Not a single outsider has ever been found in the free hotel dining rooms. |
| D．Finland is heaven for immoral people because they can always take advantages freely. |
The sentences “which is which” and “what is what” show that __________.
| A．the Finns are foolish |
| B．the Finns take things seriously |
| C．the Finns are busy making money for the family |
| D．the Finns never take precaution against others |
Life in the twenty-first century will be very different from life today. Between then and now many changes will take place, but what will the changes be?
The population is growing fast. There will be many people in the world and most of them will live longer than people live now.
Computers will be much smaller and more useful, and there will be at least one in every home. And computer studies will be one of the important subjects in schools then.
People will work fewer hours than they do now and they will have more free time for sports, watching TV and travelling. Travelling will be much easier and cheaper. And many more people will go to other countries for holidays.
There will be changes in our food, too. Maybe no one will eat meat every day, instead they eat more fruit and vegetables. Maybe people will be healthier.
Work in the future will be different, too. Dangerous and hard work can be done by robots. Because of this, many people will not have enough work to do. This will be a problem.There will be _________ in the future.
| A．small population | B．few changes | C．more people | D．few people |
In the future the computer will be _________.
| A．much bigger and few people will use it |
| B．much smaller and more useful |
| C．smaller and not many people will use it |
| D．bigger and a lot of people will use it |
In the future more people _________.
| A．will go to other countries for holidays |
| B．will study at school |
| C．will go earlier |
| D．will work for many hours |
People will prefer _________ to _________ in the future.
| A．meat and vegetables; fruit |
| B．meat; fruit and vegetables |
| C．fruit and meat; vegetables |
| D．fruit and vegetables; meat |
The robots will _________ in the future.
| A．do the dangerous work |
| B．do all the work |
| C．do only housework |
| D．do the easy work for people |
A Trip to the Forest
One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing.
In the afternoon when they were about ten kilometres from their camp（营地）, it started to snow. More and more snow fell. Soon Bob could hardly see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp, and the other went to his house. But all was white snow. Everything was the same. How could he take his friends back to the camp?
Bob had an idea. The horses! Let the horses take them back! But what would happen if the horses took the road to his house? That would be a trip of thirty-five kilometres in such cold weather!
It was getting late. They rode on and on. At last the horses stopped. Where were they?
None of them could tell. John looked around. What was that under the tree? It was one of their tents! John and his two friends went to the forest to ________.
| A．build their camp | B．find their way home |
| C．enjoy the mountains in the snow | D．watch the trees in the forest |
They could not find their way back because ________.
| A．there was only one road to their camp |
| B．they couldn’t decide which of the two roads led to their tents |
| C．there were no roads in the mountains at all |
| D．everything was covered by the white snow |
It is clear that they wanted the horses to take them to _______.
| A．John’s house | B．the camp | C．the forest | D．the mountains |
The horses stopped because _______.
| A．it was getting late | B．they were tired after running for a long way |
| C．they knew that they had got to the camp | D．they had seen John’s house |
The story happened _______.
| A．on a cold winter day | B．on a dark snowy evening |
| C．in a cold camp far from villages | D．at night when nothing could be seen |