There are some people who do not seem to mind noise. They like to enjoy¡¡ 1¡¡ when they have nothing to do. It is a new¡¡ 2¡¡ because music, when¡¡ 3¡¡ through powerful amplifier(À©ÒôÆ÷), can reach 120 decibels(·Ö±´) within several feet. It is known to us that a continuous¡¡ 4¡¡ of over 85 decibels can make people deaf(ÁûµÄ).¡¡¡¡ 5¡¡ it was found that many¡¡ 6¡¡ American could not hear better than 65-year-old people.

¡¡¡¡¡¡¡¡ In the past we¡¡ 7¡¡ that only workers in very noisy places¡¡ 8¡¡ deaf. For example, when newspapers¡¡ 9¡¡ books are being printed, the noise is about 85 decibels, and¡¡ 10 workers become deaf.

¡¡¡¡¡¡¡¡ In many countries, several laws have been¡¡ 11¡¡ to make noise less. A lot of¡¡ 12¡¡ has been spent in making airports and main roads¡¡ 13 ¡¡¡¡. Scientists all over the world are trying their best to¡¡ 14¡¡ one way or another to keep¡¡ 15¡¡ ¡¡noise.

1. A. music¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. story¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. song¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. play

2. A. disease¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. thing¡¡¡¡¡¡¡¡¡¡¡¡ C. danger¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. power

3. A. play¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. played¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. playing¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. to play

4. A. noise¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. sound¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. voice¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. music

5. A. In the Past¡¡¡¡¡¡¡¡¡¡ B. Now¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. In the future D. Recently

6. A. men¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. women¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. young¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. old

7. A. was used to thinking¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. used to think

C. had thought¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. thought

8. A. became¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. were¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. found¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. old

9. A. with¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. but¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. for¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. and

10. A. no¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. few¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. any¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. some]

11. A. decided¡¡¡¡¡¡¡¡¡¡¡¡ B. passed¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. agreed¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. past

12. A. laws¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. rules¡¡¡¡¡¡¡¡¡¡¡¡ C. money¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. time

13. A. quieter¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. cleaner¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. slower¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. clearer

14. A. look¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. look for¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. find¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. find out

15. A. down¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ B. out¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ C. off¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ D. away

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