Question

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      Miss Gogers taught physicsin 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
every good," Miss Gogers answered; but then one of the girls raised her hand, and Miss Gogers 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 Gogers was teaching her class_________.

A. how to telephone                 
B. about electricity
C. about time zone(时区)             
D. about sound

2. Miss Gogers raised 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

3. 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

4.Whose answer do you think is correct according to the law of physics?

A. Tom's
B. Kate's
C. Bath A and B
D. Neither A nor B

Answer 1

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