大学英语六级阅读理解题冲刺辅导(六)_大学英语阅读

大学英语六级阅读理解题冲刺辅导(六)

　　32. From the third paragraph of the passage, we can conclude that young adults t end to believe that certain types of clothing can __________.

　　A) change peoples conservative attitudes toward their lifestyle

　　B) help young people make friends with the opposite sex

　　C) make them competitive in the job market

　　D) help them achieve success in their interpersonal relationships

　　大学英语六级阅读理解题冲刺辅导 CET-6考试　 2007-12-17

Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making ads louder than the programming. In addition, television stations always operate at the highest sound level allowed for reasons of efficiency. According to one NBC executive, no difference exists in the peak sound level of ads and programming. Given this information why do commercials sound so loud?

　　The sensation of sound involves a variety of factors in addition to its speak level. Advertisers are skilful at creating the impression of loudness through their expert use of such factors. ①One major contributor to the perceived loudness of commercials is that much less variation in sound level occurs during a commercial. In regular programming the intensity of sound varies over a large range. However, sound levels in commercials tend to stay at or near peak levels.