任務(wù)型閱讀。

As more students begin to use computers for a long time,more of them are feeling eyestrain(視疲勞).Just a few hours in front of a computer screen can make a person's eyes feel tired and painful.A number of doctors have studied this growing problem and have found ways to deal with it.Following their advice will help keef computer users more comfortable.Here is some advice.

The light in a room shouldn't be brighter than the computer screen itself.In many classrooms,however,the lights are far brighter than they should be.Students can prevent some of this light by wearing baseball caps if they are allowed at school.

A special computer screen should be used to cut down on bright light because it is especially tiring to the eyes Another problem to avoid is the wrong kind of contrast(對比).It is best to have dark letters on a light hackground.This causes less eyestrain than light letters on a dark background.

Students should he seated so that they are looking down at the computer screen rather than straight a head,which is a far more tiring angle(角度).The top of the screen should be a little lower than the top of the head.

The length(長度) of time students spend in front of a computer screen leads greatly to eyestrain.Students should rest a while by looking away from the screen every fifteen to twenty minutes.During that time they should either close their eyes or look at something at a distance.Long-term computer use can dry out the eyes,so students shouht remember to blink(眨眼)often while in front of the screen.

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Is it difficult for you to get up in the morning? Are you often late for work or school? Yes? Then a scientist called Mike has a special bed for you. His Bed will get you up in the morning! Here is how it works!

The bed is connected to an alarm clock. First, the alarm clock rings. You have a few minutes to wake up. Next, a tape recorder in the bed plays soft music and then your girlfriend’s beautiful voice comes, “Wake up, darling, please.” A few minutes later, loud music comes from the tape recorder. At the same time, you may hear the voice of your boss. Your boss shouts angrily, “ Wake up at once, or you’ll be late!” If you don’t get up after that, you’ll be sorry! A plastic “foot” is in the bed. It kicks you in the head. Then the bed waits for a few more minutes. What! You’re still in bed! Slowly the top of the bed rises higher and the foot of the bed goes lower. Finally, you fall off the bed and onto the floor. You are out of the bed and awake!

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Title A 1. Bed

2.was it made by A scientist called Mike

Why was it made It’s difficult for people to get up in the morning and Mike made it to take part in a 3..

4.does it work Step 1 The alarm clock wakes you up.

Step 2 A tape recorder plays 5.music and you will 6.your girlfriend’s voice.

Step 3 Loud music together with your_7.voice will wake you up.

Step 4 A plastic “foot” 8. you in the head so 9. you can wake up.

Step 5 The bed makes you 10. off it and onto the floor and you have to wake up.

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