7．Muzak
The next time you go into a bank，a store，or a supermarket，stop and listen．What do you hear？（71）CIt's similar to the music you listen to，but it's not exactly the same．That's because this music was especially designed to relax you，or to give you extra energy．Sometimes you don't even realize the music is playing，but you react to the music anyway．
Quiet background music used to be called"elevator （電梯） music"because we often heard it in elevators．But lately we hear it in more and more places，and it has a new name"Muzak"．About one-third of the people in America listen to"Muzak"everyday．The music plays for 15 minutes at a time，with short pauses in between．It is always more lively between ten and eleven in the morning，and between three and four in the afternoon，when people are more tired．（72）B
If you listen to Muzak carefully，you will probably recognize the names of many of the songs．Some musicians or songwriters don't want their songs to be used as Muzak，but others are happy when their songs are chosen．Why？（73）F
Music is often played in public places because it is designed to make people feel less lonely when they are in an airport or a hotel．It has been proven that Muzak does what it is designed to do．Tired office workers suddenly have more energy when they hear the pleasant sound of Muzak in the background．（74）D Supermarket shoppers buy 38 percent more groceries．
（75）A．They say it's boring to hear the same songs all the time．But other people enjoy hearing Muzak in public places．They say it helps them relax and feel calm．One way or another，Muzak affects everyone．Some farmers even say their cows give more milk when they hear Muzak!
A．Some people don't like Muzak．
B．The music gives them extra energy．
C．Music is playing in the background．
D．Factory workers produce 13 percent more．
E．Muzak tends to help people understand music better．
F．They ge t as much as $4 million a year if their songs are used．
G．Muzak is played in most of the big supermarkets in the world．
分析 我們到很多地方都可以聽見背景音樂，文章主要介紹背景音樂的作用．這些音樂使你感到輕松或能給你帶來額外的能量．安靜的背景音樂常常被叫做"電梯音樂"，因為我們經(jīng)常在電梯里聽見．但是最近我們在越來越多的地方聽見了．當(dāng)聽到Muzak時，疲倦的辦公室工作人員突然會更有精神．超市顧客會多買38%的商品．Muzak影響著每個人．一些農(nóng)民竟然說他們的牛聽見Muzak能產(chǎn)更多的奶．
解答 71．考查上下文串聯(lián)和句意理解，根據(jù)第一段中"It's similar to the music you listen to，but it's not exactly the same"可知，你會聽到背景音樂，所以選C．
72．考查上下文串聯(lián)和句意理解，根據(jù)第二段中"when people are more tired"可知，音樂給了他們額外的能量，所以選B．
73．考查上下文串聯(lián)和句意理解，根據(jù)第三段中"but others are happy when their songs are chosen"可知，世界上很多大型超市都播放莫扎特，所以選F．
90．考查上下文串聯(lián)和句意理解，根據(jù)第四段中"Supermarket shoppers buy 38 percent more groceries"可知，工廠的工人生產(chǎn)力增加13%，所以選D．
74．考查上下文串聯(lián)和句意理解，根據(jù)第五段中"They say it's boring to hear the same songs all the time"可知．一些人不喜歡莫扎特，所以選A．
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