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  3. Noise Pollution Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experimen

Noise Pollution Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experimen

admin2011-05-17  30
问题                        Noise Pollution
    Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations ( even temporary ones) , people would have more irritability (暴躁易怒) and less cooperation. In more permanent noisy situations, many people cannot work hard, and they suffer from severe anxiety as well as other psychological problems. Some researchers, who study various aspects of effect of noise in people’s mental life, maintain that noise, either temporary noise or permanent noise, often destroy creativity and activity by disturbing people’s emotion and make them more irritable and hard to cooperate.
    However, psychologists distinguish between " sound" and " noise" . " Sound" is measured physically in decibels (分贝). "Noise" cannot be measured in the same way because it refers to the psychological effect of sound and its level of " intensity" depends on the situation. Thus, for passengers at an airport who expect to hear airplanes taking off and landing, there may be a lot of sound, but not much noise (that is, they are not bothered by the noise). By contrast, if you are at a concert and two people behind you are whispering, you feel they are talking noisily even if there is not much sound. You notice the noise because it affects you psychologically. Both sound and noise can have negative effects, but what is most important is if the person has control over the sound. People walking down the street with earphones, listening to music that they enjoy, are receiving a lot of decibels of sound, but they are probably happy hearing sounds which they control. On the other hand, people in the street without earphones must tolerate a lot of noise which they have no control over. It is noise pollution that we need to control in order to help people live more happily.
People waiting at an airport______.
选项 A、enjoy hearing airplanes taking off and landing
B、are usually not troubled by the noise
C、can easily tell sound from noise
D、can be measured by machines
答案B
解析 细节题。依据是第二段的第四句：Thus, for passengers at an airport…, there may be a lot of sound, but not much noise．对于那些飞机场待机乘客, 听到飞机起飞和降落的声音, 虽然很吵, 但他们不认为那是噪音(即他们没有被这种声音打扰), 与选项B一致。选项A不正确, 文中没有提到机场乘客喜欢听飞机起落声；文中未提及C选项内容即他们能够很容易区分声音和噪音；选项D与文章内容相矛盾。
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