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Miss Gorgers taught physices in a New York school. Last month she explained to one of her classes about sound, and she decided to test them to see how successful she had been in her explanation. She said to them, “Now I have a brother in Los Angeles. If I was calling him on the phone and at the same time you were 75 feet away, listening to me from across the street, which of you would hear what I said earlier, my brother or you and for what reason?”

Tom at once answered, “Your brother. Because electricity travels faster than sound waves.” “That’s very good,” Miss Gorgers answered; but then one of the girls raised her hand, and Miss Gorgers said, “Yes, Kate?”

“I disagree,” Kate said. “Your brother would hear you earlier because when it’s 11 o’clock here it’s only 8 o’clock in Los Angeles.” 1. Miss Gorgers was teaching her class . A. how to telephone B. about electricity C. about time zone(时区) D. about sound

2. Miss Gorgers asked this question because she wanted to know whether .

A. it was easy to phone to Los Angeles B. her student could hear her from 75 feet away C. her students had grasped(理解)her lesson

D. sound waves were slower than electricity 3. Tom thought that electricity was .

A. slower than sound waves B. faster than sound waves C. not so fast as sound waves D. as fast as sound waves 4. Kate thought Tom was wrong because .

A. clocks in Los Angeles showed a different time from those in New York

B. electricity was slower than sound waves C. Tom was not good at physics at all

D. Tom’s answer had nothing to do with sound waves

5. Whose answer do you think is correct acoording to the law of physics?

A. Tom’s B. Kate’s C. Both A and B D. Neither A nor B

One day he went on a long way alone. Before he left home，his wife said，Now you have all these things. You need them on your way. Take care of your things on the way.He went to the station. He bought a ticket and got on the train with it.

About an hour later，the conductor began to see the tickets. He came to the old man and said，Will you please show me your ticket?The old man looked for his ticket in all his pockets but he could not find it. He was very worried. I cant find my ticket. I really bought a ticket before I

got on the train，said the old man.

I think you are right. I believe you bought a ticket. All right，you dont have to buy another ticket，said the conductor kindly. But the old man still(仍然) looked worried and said sadly，You dont know why Im worried. If I dont find my ticket，I cant remember my station. Where am I going?

1. The old man bought a ticket _______. A. after he got on the train B. before he got on the train

C. when the conductor told him to buy one D. when he found he had no ticket with him

2. About an hour later，the conductor began _______. A. to buy the tickets B. to look for the tickets C. to check(检查) the tickets D. to show the tickets

3. The conductor told the old man that he didnt need to buy another ticket because _________.

A. the man was very old

B. he thought the old man had no money with him C. the old man showed him the ticket D. he believed the old man

4. The old man still looked worried because _________. A. he couldnt get on the train. B. he lost his ticket and a lot of money

C. he thought his wife would get angry with him D. he forgot where he was going 5. Which of the following(下列) is right? A. The old man went on the trip with his wife B. The old man didnt find his ticket C. The conductor was also an old man D. The old man had to buy another ticket