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Passage 3
Mathematical ability and musical ability may not seem on the surface to be connected, but people who have researched the subject 一 and studied the brain 一 say that they are. Research for my book Late-Talking Children drove home the point to me. Three quarters of the bright but speech-delayed children in the group I studied had a close relative who was an engineer, mathematician or scientist _ and four fifths had a close relative who played a musical instrument. The children themselves usually took readily to math and other analytical subjects 一 and to music.
Black, white and Asian children in this group show the same patterns. However, looking at the large world around us, it is clear that blacks have been greatly overrepresented in the development of American popular music and greatly underrepresented in such fields as mathematics, science and engineering.
If the abilities required in analytical fields and in music are so closely related, how can there be this great disparity? One reason is that the development of mathematical and other such abilities requires years of formal schooling, while certain musical talents can be developed with little or no formal training, as has happened with a number of well-known black musicians. It is precisely in those kinds of music where one can acquire great skill without formal training that blacks have excelled-popular music rather than classical music, piano rather than violin, blues rather than opera. This is readily understandable, given that most blacks, for most of American history, have not had either the money or the leisure for long years of formal study in music.
Blacks have not merely held their own in American popular music. They have played a disproportionately large role in the development of jazz, both traditional and modem. Along string of names comes to mind — Duke Ellington, Scou Joplin, W. C. Handy, Louis Armstrong, Charlie
Parker...and on and on.
None of this presupposes any special innate ability of blacks in music. On the contrary, it is perfectly consistent with blacks，having no more such inborn ability than anyone else, but being limited to being able to express such ability in narrower channels than others who have had the money, the tie and the formal education to spread out over a wider range of music, as well as into mathematics, science and engineering.
There is no way of knowing whether Duke Ellington would have become a mathematician or scientist under other circumstances. What is clearer is that most blacks have not had such alternatives available until very recently, as history is measured. Moreover, now that cultural traditions have been established, even those blacks who have such alternatives available today, and who have the inborn abilities to pursue them, may nevertheless continue for some time to follow well-worn paths.
66. The author’s research for his book Late-Talking Children showed him that .
A. mathematical ability and musical ability are closely related
B. bright but speech-delayed children favor analytical subjects
C. on the surface, mathematical ability and musical ability are not connected
D. children of different races differ slightly in their mathematical and musical abilities
67. It can be concluded from the passage that •
A. the development of all music talents needs little or no formal training
B. abilities, such as mathematical ability, sometimes can not be developed with formal education
C. blacks are underrepresented in mathematics because they have no chances to receive formal education
D. blacks usually prefer music to mathematics, science and engineering
68. It is known from the passage that Duke Ellington .
A. only loves popular music
B. has made a great contribution to the development of jazz
C. is an obscure musician
D. never excels in jazz music
69. The author holds that .
A. blacks demonstrate better inborn musical abilities than others
B. blacks are distinguished in all kinds of music
C. blacks now continue to do music because of their cultural traditions
D. blacks still have no chances to become mathematicians or scientists today
70. In this passage, the author tries to say that .
A. musical ability has no connection with mathematical ability
B. one’s ability has no connection with mathematical ability
C. blacks are so prejudiced that they seldom accept new things
D. blacks are more successful in music than in science because of various reasons