Want a good night's sleep? Then turn off your computer, cell phone or PSP two hours before you go to bed.
These things have bright lights. When our eyes see bright lights just before sleep, our sleep patterns (模式) change, a study has found.
Our body clock starts shutting us down for bed at 9 or 10 pm. But bright lights make our minds think that it is still daytime. That wakes us up and leaves us sleepless, experts say.
But if you read a paper book before sleeping, you won't have this problem. This is because light from a bedside lamp (台灯) does not go straight into our eyes.
Also, if you are watching a television from across the bedroom, you won't have problems falling asleep. The TV sends light to us from a distance, so the light won't be as strong.
【小题1】The writer tells us to turn off the computer         before bed time.

Want a good night's sleep? Then turn off your computer, cell phone or PSP two hours before you go to bed.

These things have bright lights. When our eyes see bright lights just before sleep, our sleep patterns (模式) change, a study has found.

Our body clock starts shutting us down for bed at 9 or 10 pm. But bright lights make our minds think that it is still daytime. That wakes us up and leaves us sleepless, experts say.

    But if you read a paper book before sleeping, you won't have this problem. This is because light from a bedside lamp (台灯) does not go straight into our eyes.

    Also, if you are watching a television from across the bedroom, you won't have problems falling asleep. The TV sends light to us from a distance, so the light won't be as strong.

1.The writer tells us to turn off the computer          before bed time.

    A. half an hour     B. an hour        C. two hours       D. three hours

2.Which of the following may make us sleepless?

    A. Reading a newspaper.                 B. Talking on QQ.

    C. Reading a book.                      D. Watching TV.

3.Why can't we sleep well if we use a computer before bed time?

    A. We think it is daytime if we leave computers on.

    B. We feel too excited to sleep after using computers.

    C. Lights from computers are brighter than other lights.

    D. Lights from computers can change our sleep patterns.

This is John’s bedroom. It’s very nice. You can see two beautiful pictures on the wall. Under the pictures you can see a big desk. A lamp(台灯) and a computer are on the desk. Near the desk you can see a big bookcase. There are many books in it. Near the bookcase you can see a small chair. Are there any photos on the chair? Yes, you can see two. Where is John’s cat? It’s under his bed.

1.We can see two beautiful pictures in John’s bedroom.

2.Some books and a computer are on the small chair.

3.A dog is on the sofa.

4.Two photos are on the floor.

5.John’s cat is under his bed.