Turn on the radio. A program will come out from a broadcasting station miles and miles away. We know that sounds and music themselves couldn’t travel that distance through space .There must be something that brings the program from the station. But what is this silent carrier ( 载体) ?
This is known as radio waves. However, we can’t see them or even hear them. In fact, nobody knows exactly what they are. Nevertheless( 然而) ，we know that they are made by electricity .
At the broadcasting station, people talk, sing, play musical instruments or make many other sounds. These sounds are changed into electricity. Then from the broadcasting aerial (天线)of a tall tower , electricity sends out radio waves which travel in all directions .And some of them reach your radio aerial. What happens next is a magical thing. The radio waves start an electric current ( 电流) in your aerial like the one that was first made in the broadcasting station . Finally, the loudspeaker in your radio set changes the electricity into sound .Therefore, you hear the program.
根据材料内容选择最佳答案，将其标号填入题前括号内。When you turn on the radio _________________.
| A．you can see a program |
| B．you can hear a program |
| C．a picture will appear |
| D．you can feel the electric current. |
The silent carrier that brings the program to you is called ____________.
| A．radio set | B．sound waves |
| C．radio waves | D．radio current |
Electricity sends out radios waves from _________________.
| A．the broadcasting aerial of a tall tower. |
| B．you radio set |
| C．all directions |
| D．a broadcasting station |
The electricity is changed into sound by _______________.
| A．the radio waves | B．the aerial |
| C．the radio program | D．the loudspeaker |
You may find this passage in a ______________.
| A．guidebook |
| B．science magazine |
| C．fashion newspaper |
| D．fictional novel |
New York City isn’t the biggest city in the world, but it is the biggest city in the United States. Most Americans live in much smaller cities and towns, but almost 8million people live in New York City. Why did so many people come to live in one place?
A look at the city shows us that New York City has a good port（商埠）. The Dutch(荷兰) settlers (new comers) , wanted to use it for business. In 1626, the Dutch paid the Indians twenty-four dollars for the island of Manhattan. Its Dutch name was New Amsterdam. Then the British took the land in 1664 and changed its name to New York.
Which of the following is the biggest city in the United States?
| A．New York | B．Washington | C．New Amsterdam | D．Chicago |
More and more people from different countries in the world come into New York because _______.
| A．New York has the largest population in the United States. |
| B．New York is as beautiful as a picture. |
| C．New York is a developing city. |
| D．they think it is a good place for business. |
The underlined word “ took” in Paragraph means ________ in Chinese.
| A．花费 | B．耕耘 | C．占领 | D．测量 |
The United States became an independent country in ________.
| A．the sixteenth century |
| B．the seventeenth century |
| C．the eighteenth century |
| D．the nineteenth century |
From the passage, we can know _________.
| A．much about Dutch |
| B．how the Dutch took New Amsterdam |
| C．some of the history of New York |
| D．how the people from different countries come to the USA |
We each have a memory（记忆力）. That’s why we can still remember things after a long time. Some people have very good memories and they can easily learn many things by heart, but some people can only remember things when they say or do them again and again. Many of the great men of the world have got surprising memories.
A good memory is a great help in learning a language. Everybody learns his mother language when he is a small child. He hears the sounds, remembers them and then he learns to speak. Some children are living with their parents in foreign countries. They can learn two languages as easily as one because they hear, remember and speak two languages every day. In school it is not so easy to learn a foreign language because the pupils have so little time for it, and they are busy with other subjects, too.
But your memory will become better and better when you do more and more exercises.
根据短文内容，选择最佳答案。Some people can easily learn many things by heart because .
| A．they always sleep very well | B．they often eat good food |
| C．they read a lot of books | D．they have very good memories |
Everybody learns his mother language .
| A．at the age of six | B．when he is a small child |
| C．after he goes to school | D．when he can read and write |
Before a child can speak, he must .
| A．read and write | B．make sentences |
| C．hear and remember the sounds | D．think hard |
In school the pupils can’t learn a foreign language well because .
| A．they have no good memories | B．they have no recorders |
| C．they have too much time for it | D．they are busy with other subjects |
Your memory will become better and better .
| A．if you have plenty of good food |
| B．if you do more and more exercises |
| C．if you do morning exercises every day |
| D．if you get up early |
It was Saturday yesterday. I had no lessons. I got up at six. After breakfast，I went to a farm by truck(卡车) with my classmates to help the farmers with apple harvest(收获). As soon as we went there, we began to pick apples. But some of the apples are too high for me to reach. Jim is very strong. He lifted(举) a ladder(梯子) and held(扶) it for me. So I was able to pick them. Some of us took the baskets of apples to the truck and some put the baskets of apples onto the truck.
It was hard work, but we all felt very happy.
| When did you go? |
1 |
| Where did you go? |
2 |
| Who went there ? |
My classmates and I |
| How did you get there? |
3 |
| What did you do there? |
4 |
| How did you feel about it? |
5 |
Mr Jones and Mr Brown work in the same office (办公室).One day Mr Jones says to Mr Brown , “I will have a small party at our house on Monday evening . Would you and your wife like to come ?”
Mr Brown says , “Thank you very much . I’d love to , but let me ask my wife first . ” So Mr Brown goes to the other room and telephones his wife . Then he comes back and looks very worried .
“What’s the matter?” asks Mr Jones . “Is you wife there at home ?”
“No,” answers Mr Brown . “She isn’t there . My small son answers the telephone . I say to him , ‘Is your mother there , David ?’ and he answers ‘No , she isn’t in the house .’ ‘Where is she ?’ I ask , ‘She is somewhere outside.’ ‘What’s she doing ?’ ‘She is looking for me .’”
根据短文内容判断正（T）误（F）There is a party at Mr Jones’s house on Monday evening .
Mr Jones asks Mr Brown and his wife to go to the party .
The telephone is in Mr Brown’s office.
Mr Brown speaks to Mrs Brown on the telephone .
Mrs Brown is looking for her son .
It was a beautiful spring morning. There were no clouds in the sky, and the sun is warm but not hot. Mr. Black saw an old man at the bus stop with a big, strong, black umbrella（雨伞）in his hand.
This story happened___________.
| A．on a spring morning | B．on a cold day |
| C．on a summer evening | D．on a bus |
What was the weather like that day?
| A．It was raining. | B．The sun was too hot. |
| C．It was sunny and the sun was warm but not too hot. | D．It was cloudy. |
The old man had___________ in his hand.
| A．a book | B．a walking-stick | C．nothing | D．an umbrella |
The old man carried an umbrella because .
| A． it was going to rain | B． he must have it as a walking-stick |
| C． the sun was too hot | D． he thought it was going to rain |
From the passage we know that .
| A． the weather was bad that day |
| B． the old man was stupid |
| C． the umbrella was not strong |
| D． the old man didn’t want other people to say he was old |
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