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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.
| A．half an hour | B．an hour | C．two hours | D．three hours |
| A．Reading a newspaper. | B．Talking on QQ. |
| C．Reading a book. | D．Watching TV. |
| 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. |
One day, my wife and I went shopping. We took the car as we had a lot of things to buy because my brother and his family were going to spend the weekend with us. We stopped the car in front of the shop. An hour later we came back to the car with a lot of things. Then the trouble started. We could not open the car door. “Oh, dear,” said my wife. “What are we going to do?” “Let’s ask that policeman,” I said. The policeman was very kind and glad to help us. Soon he got the door open. Just at that moment an angry man came up and shouted. “What are you doing with my car?” We looked at the number of the car, and our faces turned very red.
1.The husband and the wife went shopping _________.
A．by bus B．in their car C．by bike D．on foot
2.They spent _________ in the shop doing their shopping.
A．half an hour B．four hours C．one hour D．eight hours
3.The _________ opened the car door in the end.
A．husband B．wife C．policeman D．owner of the car
4.The owner of the car was very angry to see _________.
A．someone had opened his car door B．the policeman standing by the car
C．his car was not there D．that there was a trouble
5.They didn’t know it was the wrong car until they looked at the _____ of the car.
A．color B．owner C．door D．number
查看习题详情和答案>>
| How often they surf the Internet | Once a day | Once a week | Hardly ever |
| 12% | 68% | 6% | |
| How long every time | Half an hour | An hour | More than an hour |
| 26% | 57% | 17% | |
| What they like doing | Playing games | Studying | Chatting with friends |
| 64% | 22% | 14% | |
| Whether they have a best friend online (在线) | Yes | No | |
| 58% | 42% | | |
| What they think of the Internet | Relaxing | Interesting and helpful(有帮助的) | Dangerous |
| 60% | 22% | 3% |
【小题1】Most students spend on the Internet each time.
| A．half an hour | B．an hour | C．more than an hour | D．more than two hours |
| A．relaxing | B．interesting | C．helpful | D．dangerous |
| A．students shouldn’t play games on the Internet |
| B．parents should let their children go online |
| C．most students often study on the Internet |
| D．most students go online just for relaxing themselves |
One day, my wife and I went shopping. We took the car as we had a lot of things to buy because my brother and his family were going to spend the weekend with us. We stopped the car in front of the shop. An hour later we came back to the car with a lot of things. Then the trouble started. We could not open the car door. “Oh, dear,” said my wife. “What are we going to do?” “Let’s ask that policeman,” I said. The policeman was very kind and glad to help us. Soon he got the door open. Just at that moment an angry man came up and shouted. “What are you doing with my car?” We looked at the number of the car, and our faces turned very red.
1.The husband and the wife went shopping _________.
A．by bus B．in their car C．by bike D．on foot
2.They spent _________ in the shop doing their shopping.
A．half an hour B．four hours
C．one hour D．eight hours
3.The _________ opened the car door in the end.
A．husband B．wife
C．policeman D．owner of the car
4.The owner of the car was very angry to see _______
A．someone had opened his car door
B．the policeman standing by the car
C．his car was not there
D．that there was a trouble
5.They didn’t know it was the wrong car until they looked at the ____ of the car.
A．color B．owner C．door D．number
查看习题详情和答案>>
One day, my wife and I went shopping. We took the car as we had a lot of things to buy because my brother and his family were going to spend the weekend with us. We stopped the car in front of the shop. An hour later we came back to the car with a lot of things. Then the trouble started. We could not open the car door. “Oh, dear,” said my wife. “What are we going to do?” “Let’s ask that policeman,” I said. The policeman was very kind and glad to help us. Soon he got the door open. Just at that moment an angry man came up and shouted. “What are you doing with my car?” We looked at the number of the car, and our faces turned very red.
【小题1】The husband and the wife went shopping _________.
| A．by bus | B．in their car | C．by bike | D．on foot |
| A．half an hour | B．four hours | C．one hour | D．eight hours |
| A．husband | B．wife | C．policeman | D．owner of the car |
| A．someone had opened his car door | B．the policeman standing by the car |
| C．his car was not there | D．that there was a trouble |
| A．color | B．owner | C．door | D．number |