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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 mus

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

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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 a-bilities. 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】______.
【C15】
选项 A、scientific
B、enjoyable
C、inspiring
D、sufficient
答案D
解析 首段提到，心理学家假设的另一情况是：如果没有音乐细胞，再多的练习也是徒劳。故应推断在研究中，Mosing确认被调查者现有的音乐技能之后，还需考察增加练习时间是否会提高被调查者的音乐技能。D项sufficient“足够的”代入后句意为“是否一个人进行了足够多的练习就能达到专家那样高的音乐水准”，这是Mosing想要研究的问题，符合语篇和逻辑要求。
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