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  3. To master the violin takes 10,000 hours of practice. Put in that time and【C1】________will follow. This, at least, is what many m

To master the violin takes 10,000 hours of practice. Put in that time and【C1】________will follow. This, at least, is what many m

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问题     To master the violin takes 10,000 hours of practice. Put in that time and【C1】________will follow. This, at least, is what many music teachers tell their pupils. Psychologists are more【C2】________. Some agree practice truly is the thing that【C3】________experts from beginners, but others suspect genes play a role, too, and that【C4】________the right genetic make-up even 20,000 hours of practice would be pointless. A study just published in Psychological Science, by Miriam Mosing of the Karolinska Institute, in Sweden, suggests that the skeptics are【C5】________. Practicing music without the right genes to【C6】________that practice up is【C7】________useless.
    Dr Mosing drew her【C8】________in a time-honored way—by studying twins. She and her colleagues【C9】________1,211 pairs of identical twins (who share all their genes) and 1,358 pairs of fraternal twins (who share half). They asked each participant【C10】________he or she played a musical instrument or actively【C11】________singing. Those who did were asked to【C12】________how many hours a week they had practiced at different ages. From this Dr Mosing was able to calculate a【C13】________for each individual’s lifetime practice. Anyone who did not play an instrument or sing got no point.
    Next, Dr Mosing tested her volunteers’ musical abilities. Expert  musicians  are  exceptionally good at【C14】________differences in pitch, melody and rhythm. She therefore expected to find that if someone had put in【C15】________practice time his musical ability would be as high as an expert’s. But that was not true. In fact, there appeared to be no【C16】________between practice and musical ability of the sort she was measuring. A twin who practiced more than his genetically identical co-twin did not appear to have better musical abilities as a result. In one case the difference between two such twins was 20,228 hours of practice,【C17】________the pair’s measured musical abilities were found to be the same.
    That is not to say practice has no【C18】________. Playing an instrument and singing are physical skills, and do take a long time to【C19】________. And Dr Mosing has shown that musical ability has a big genetic【C20】________.
【C5】
选项 A、clever
B、right
C、wrong
D、stupid
答案B
解析 第二段最后一句谈到“没有优良的遗传基因，练习就没有用处”，与上文怀疑论者(skeptics)的设想是一致的，故B项right能满足句子的语义要求，排除C项。任何“聪明的”(A项clever)心理学家也可能持有不正确的观点。根据Mosing的研究结论，不能认定心理学家是“愚蠢的”，故排除D项stupid。
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