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“Where is your light?” asked the policeman. “No man may take a cart along the road at night without a light. You know that. You have broken the law (法律).”“I had a light, but it has just gone out,” said the old man.
“I don’t believe that story,” said the policeman. He took out a book and got ready to write. What’s your name and where do you live?” he asked.
“Please don’t take my name,” said the old man. “My home is just there. You can see it from here. I had a light nearly the whole way. I haven’t come far without a light.”
“You came all the way without a light. What’s your name?”
The carter quickly took the policeman’s hand and put it down on top of the light. The light was still hot and burnt the policeman’s hand. The policeman jumped and he was very angry. “Now, what do you think?” said the carter. “Did I come all the way without a light?”
1. In the passage the word “cart” is ____.
A. something like a car
B. something like a light
C. something pulled by a horse
D. something with a light
2. The old man drove home ____.
A. on the back of his horse
B. late one night
C. very late every night
D. with a policeman
3. Where did the policeman stop the old man?
A. Near the old man’s home.
B. At the traffic lights.
C. Under a road light.
D. Far from the old man’s home.
4. The cart was stopped by the policeman because ____.
A. the old man didn’t have a light
B. the policeman didn’t believe the old man’s words
C. the old man didn’t want to tell his name
D. the light on the old man’s cart was not on
5. What made the policeman believe the old man’s words?
A. He made the policeman touch the light.
B. He jumped and shouted angrily.
C. He made the policeman angry.
D. The light burnt the policeman’s hands. 查看习题详情和答案>>
根据句意和汉语提示，在空格中填入正确的单词。（每空填一词）
1.Beijing has already ____________(成功) in hosting the 2008 Olympic Games.
2.Air pollution is ____________(有害的) to people’s health.
3.The large population also causes many other __________(困难) for the whole nation.
4.I can’t go shopping in big stores_________(除非)I travel for a couple of hours.
5.He has ___________(大概) gone home.
6.____________(欧洲的) countries are beautiful .
7.__________(一旦) you’re tired ,you should have a rest immediatetly
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--- Where is your mother?
--- She _______ to Sichuan on business. She has ______ there four times recently.
|
A．has gone; gone |
B．has been; been |
|
C．has gone; been |
D．has been; gone |
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Have you ever heard an echo of your voice?
An echo is a reflected(反射)sound. Stand in a very large, empty hall with nothing on the walls. Then shout. The sounds you make will hit the walls and come back to you. The walls reflect the sounds. These reflected sounds are called “echoes”.
We can use reflected sound to make sound travel farther. Hold a watch about fifty centimeters from your ear. You cannot hear it. The sound of the watch travels a short way in all directions. It does not travel as far as your ear. You can make it travel to your ear by using a roll of cardboard(纸板筒).
Make the roll of cardboard about fifty centimeters long. Put one end over your ear and hold the watch at the other. Now you can hear the watch because the sound has not gone in all directions. It is reflected down the roll to your ear.
A megaphone(喇叭筒)works in the same way. It makes sound travel farther. It reflects the sound into a beam which can travel a long way. In the ship, the sailor uses the megaphone to make his voice travel. Without the megaphone, his voice cannot travel far.
We use reflected sound in many ways. We use it to measure the depth of the sea, for example. Among the animals, bats and whales use reflected sound to tell them where they are and what things are near them.
1. Which is the right order of hearing our echo in a very large, empty hall?
a. We hear the reflected sound b. The sound returns to us
c. The sound hits the walls d. We make a sound
|
A．c, b, a, d |
B．c, a, b, d |
C．d, c, b, a |
D．d, b, c, a |
2.. From the text we learn that __________ .
|
A．reflected sound is useful only to blind people |
|
B．people haven’t made use of reflected sound yet |
|
C．bats use reflected sound to fly and get food |
|
D．whales don’t use reflected sound as they live in the sea |
3. If you haven’t got a megaphone, ____ will help you to make your voice travel farther.
|
A．a long piece of wood |
B．a roll of cardboard |
|
C．a thin thread |
D．a long piece of silk |
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