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 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 50 centimeters 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 on (反射) 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 three rules: 1) Rest your wrists on something. 2) Keep your elbows (肘部） at the same height as the keyboard. 3) Stop something 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 all be in front of your eyes. Your forearms（前臂）, wrists, hands and the upper（上部） part of your legs should all be 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 necks.
　Enjoy your computer, but use it safely.
【小题1】A computer screen may injure your eyes if __________.

A．you sit 60 centimeters away	B．you remember to look away
C．your eyes are too close to it	D．the window is on your left or your right

【小题2】 Hand and wrist injuries are caused when you _________.

A．get plenty of exercise	B．move in the same way again and again
C．rest your wrists on something	D．keep your elbows as high as the keyboard

【小题3】Your eyes and hands will be safe if __________.

A．you work near a window	B．you often take a rest from working
C．you use a keyboard for a long time	D．the window is behind you

【小题4】It is good for your back and neck if you sit __________.

A．in the right way	B．for many hours
C．with the screen below your eyes	D．with your back leaning forward

【小题5】 What would be the best title for the passage?

A．How to protect your eyes	B．How to protect your hands and wrists
C．How to use a computer safely	D．How to protect your back

                                 

  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 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 50 centimeters 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 on (反射) 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 three rules: 1) Rest your wrists on something. 2) Keep your elbows (肘部） at the same height as the keyboard. 3) Stop something 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 all be in front of your eyes. Your forearms（前臂）, wrists, hands and the upper（上部） part of your legs should all be 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 necks.

　Enjoy your computer, but use it safely.

1.A computer screen may injure your eyes if __________.

　　A. you sit 60 centimeters away  　 B. you remember to look away

　　C. your eyes are too close to it　　  D. the window is on your left or your right　

2. Hand and wrist injuries are caused when you _________.

　　A. get plenty of exercise　　       B. move in the same way again and again

　　C. rest your wrists on something　  D. keep your elbows as high as the keyboard

3.Your eyes and hands will be safe if __________.

　　A. you work near a window　　       B. you often take a rest from working

　　C. you use a keyboard for a long time　　D. the window is behind you

4.It is good for your back and neck if you sit __________.

　　A. in the right way                           B. for many hours

　　C. with the screen below your eyes       D. with your back leaning forward

5. What would be the best title for the passage?

　　A. How to protect your eyes            B. How to protect your hands and wrists

　　C. How to use a computer safely       D. How to protect your back

 

阅读理解

Advertisements

1．Look at advertisement 1

　　The Browns are looking for a new house. Mr Brown wants to live in the centre of town near his work. Mrs Brown wants a house with four bedrooms. The Brown’s children don’t care what the house is like as long as(只要)the garden is big enough.

Why didn’t the Browns buy the house in the advertisement?

[　　]

A．It was on the wrong side of the town.

B．There weren’t enough bedrooms.

C．There was no dining room.

D．The garden was too big.

2．Look at advertisement 2

　　Ann has always wanted to work in a restaurant. She thinks they’re exciting places. It’s hard work but she isn’t lazy. You have to work on Saturdays and Sundays but you get other days off. It’s not very-paid, but who cares about money?

Why does Ann want to get the job in the restaurant?

[　　]

A．It’s an easy job．

B．The pay is good and the food is free.

C．She thinks it would be fun.

D．You get long holidays.

3．Look at advertisement 3

　　Tom: There’s a new football team standing in the village, Mum. I’m old enough to play in it. We stop school at half past three, so I’d have plenty of time.

　　Mum: Well, I suppose you could do your homework later. But look, Tom, you haven’t read the advertisement carefully. You can’t possibly play for this team.

Why can’t Tom play for the new football team?

[　　]

A．He’s not old enough.

B．It’s in a different village.

C．School stops too late.

D．He has to do his homework.

4．Look at advertisement 4

　　Man: I’m looking for a room to rent(租). It doesn’t matter now big it is. I don’t care what colour the walls are or how old the furniture is. I’ve got to study for my exams, so the house must be quiet.

　　Girl: There are some advertisements for rooms in the paper.What about this one?

　　Man: Yes…Yes…that’s all right. Oh, dear, no, I don’t think it would do.

What’s wrong with the room in advertisement 4?

[　　]

A．It’s too small.

B．The walls are the wrong colour.

C．The man likes old furniture better.

D．It’s too noisy.

5．Look at advertisement 5 and 6

　　Man: Why don’t we rent one of the Seaview Holiday Flats for our holiday, Mary? They sound just as good as the Seaview Hotel, and it would be much cheaper.

　　Mary: There’s one big difference between the holiday flats and the hotel. The hotel would be much less work.

Why would Mary rather stay at the hotel?

[　　]

A．They wouldn’t have to cook.

B．It’s not so expensive.

C．She would enjoy the beautiful gardens.

D．It’s nearer the sea.