64. Scientists have discovered that what prevents people from concentrating on something is

　 A. all kinds of noise　　　　　　　　　 　 B. great changes in the level of noise

　 C. background noise　　　　　　　　　　 D. popular music

C

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　　 3 months, 6 months, 9 months and one year course.

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　　 Course fees for English for one year are ￡ 1,380 with reduction for shorter periods of study.

63. Which of the following isn't included among the things causing noise?

　 A. trucks　　　 　　　　 B. motorcycles　　 　 C. electric engines　 　　　　　　　　　　　　 D. jet planes

62. Some people have their hearing harmed __

　 A. while listening to pop music　　　　 　　 B. in complete silence

　 C. when speaking loudly　　　　　　　 　　 D. while watching TV

61. What does background music refer to?

　 A. Music played while people are working.　　 B. Music played in the backyard.

　 C. Noise that continues while you' re listening to other noises.

　 D. Music used to help people to concentrate.

60. According to this passage, the noise pollution __

　 A. has become the worst in the countryside　 　　　　　　　　　　　　　　　　 B. has become better in big cities

　 C. has spread from cities to villages　　 　　　 D. has been controlled in modern cities

59. From the second paragraph, we can infer the writer is sure that

　　 A. nothing cannot be done with friend　　　　　 B. only the first sentence is reasonable

　　 C. he who does not smoke or drink must be a good friend

　　 D. good friends should always help each other

B

　　 Life gets noisier every day and very few people can be free from noise of some sort or another. It doesn't matter where you live--in the middle of a modern city, or a faraway village--the chances are that you' 11 be disturbed by jet planes, transistor radios, oil - powered engines, etc. We seem to be getting used to noise, too. Some people feel quite lonely without background music while they' re working.

　　 Scientific tests have shown that total silence can be a very frightening experience for a human being. However, some people enjoy listening to pop music which is very loud, and this can do harm to their eardrums(耳鼓). The noise level in some discos is far above the usual safety level for heavy industrial areas.

　　 One recent report about noise and concentration suggested that although a lot of people say that any noise disturbs their concentration, what really influences their ability to concentrate is a change in the level of noise. It goes on to say that a background noise which doesn't change too much(music, for example) may even help people to concentrate.

58. From the passage we can learn that

　　 A. the writer and his ideal friend have a lot to learn from each other

　　 B. the writer has a lot to learn from his ideal friend

　　 C. the writer's ideal friend has a lot to learn from him

　　 D. the writer has only a little to learn from his ideal friend

57. An ideal friend means

A. a true friend　 　　　 B. a false friend　 　 C. an imaginary friend　 D. an excellent friend

56. This passage tells us __

　 　 A. how to make friends with others　　　　　 B. how the writer' s friend helps him

　　 C. what kind of person the writer's friend is　　 D what kind of person we should make friends with