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Music is popular around the world. We hear it everywhere. It is played at parties and sporting events. It is important for TV advertising and movies. We hear it in doctors’ and dentists’ offices. And when we are in locations where no music is being played, we can always turnonourMP3 players. For some people, however, music is no fun at all.  About 4percent of the population is what scientists call “a music”. If a person is a music, it means he or she cannot recognize or reproduce musical notes. As a result, a music people of ten cannot distinguish one song from another. Two totally different songs, such as “Happy Birthday” and “My Heart will goon”, may sound the same.
Many people can’t sing well because they lack the training to do so. However, there is a difference between not    being able to make music and not being able to hear what music is. Most people who can’t sing or play a musical   instrument can still hear two musical notes know which note is higher. For a music people, the difference between the notes has to be really large before they can distinguish them.
As a result, a song will sound like noise to an a music person. Many a musics compare the sound of music to pieces of metal hitting each other. “It sounds like you went in the kitchen and threw all the pots and pats on the floor,” says one a music woman.
Life can be hard for a musics because they can’t listen to music and enjoy it. In a world filled with song, just going to a restaurant or shopping mall can be uncomfortable for an a music person. For this reason, many a music try to avoid music entirely. “I used to hate parties,” says Margaret, a seventy-year-old woman who only recently discovered   that she was a music. By studying people like Margaret, scientists are finally starting to understand this unusual  condition.
Scientists say that the brains of a musics are different from the brains of people who can appreciate music. The difference is complex, and it doesn’t involve hearing. A musics can understand other non musical sounds perfectly well. They also have no problem understanding ordinary speech. Scientists compare a musics to people who just   can’t see certain colors.
Many a musics are happy when they finally find out about and can understand their condition. For years, Margaret felt embarrassed about her problem with music. Now the knows that there are many other people who feel the same way that she does. “When people invite me to a concert,” I just say, “No thanks, I’m a music,” says Margaret. “<u>I just wish I had learned to say that when I was seventeen, and not seventy</u>. ”
36.A music people can’t ______.
A.work as doctors or dentists                      
B. distinguish noises from high voices
C.differentiate between similar musical notes      
D.establish friendships on social occasions
37.What can we infer from the passage?
A.A music people feel at a loss when encountering music.
B.Hearing loss affects a musics’ responses to musical notes.
C.The brains of a musics are of a highly complex construction.
D.Lack of enough training keeps a musics from singing well.
38.What does the underlined sentence in the last paragraph mean?
A.Margaret finds it hard to play anew musical instrument when she is old.
B.Margaret could feel happier if she refused others’ invitations to concerts.
C.Margaret regrets not having taken any music lessons when she was young.
D.Margaret could have accepted herself better had she understood her condition before. 

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