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　　Music is an international language．The songs that sung or played by instruments(乐器)are beautiful to people 　　1　　．

　　Popular music in America is what every student likes．Students 　　2　　 small radios with earphones and listen to music before class, after class, and at lunch．Students with cars buy large speakers and play the music loudly as they 　　3　　 on the street．

　　Adult drivers 　　4　　 music on the car radio as they drive to work．They also listen to the news about sports, weather, politics, and activities of the American people．Most of the 　　5　　 broadcast is music．

　　Popular music singer 　　6　　 much money．They make a CD or tape which radio stations use in every state．Once the popular singer is heard all over the country, young people buy his or her 　　7　　．Some of the money from these tapes comes to the singer．Wherever the singer goes, all the young people want to 　　8　　 him or her．Now the singer has become a national star．

　　There are other kinds of music that are important to Americans．One is called folk music．It tells stories about the common life of Americans．　　9　　 is called western or country music．Cowboys started to sing at night to the cows．Today, 　　10　　 music about country life and the love between a country boy and his girl is called western or country music．

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先阅读短文，掌握其大意。然后从各小题所给的A、B、C、D四个选项中选出可以填入相应空白处的最佳答案。

Music and Behavior

　　Where did you go yesterday? Did you hear 　　1　　 at any of those places? Today most stores and restaurants play music．You might 　　2　　 hear music in an office or on a farm．

　　Scientists believe that music changes the 　　3　　 people behave(举止)．According to some scientists, the sound of western classical(古典的)music makes people 　　4　　 richer．When a restaurant plays classical music, people spend 　　5　　 money on food and drinks．When the restaurant plays 　　6　　 music, people spend less money．With 　　7　　 music, people spend even less．

　　Scientists also 　　8　　 that loud, fast music makes people eat faster, In fact, people 　　9　　 their food faster when the music gets faster．Some restaurants play fast music during their 　　10　　 hours．This gets people to eat faster and leave quickly．Restaurants 　　11　　 make spend even less．

　　Some scientists think that music makes you think and learn better．They say 　　12　　 music helps students to be more active．It is true that people learn better when they are 　　13　　．And listening to music can help you relax．

　　The 　　14　　 time you hear music somewhere, be 　　15　　．It might change the way you do things．