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  3. Young Adults Who Exercise Get Higher IQ Scores Young adults who are fit have a higher IQ and are more______【51】to go on to u

Young Adults Who Exercise Get Higher IQ Scores Young adults who are fit have a higher IQ and are more______【51】to go on to u

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问题             Young Adults Who Exercise Get Higher IQ Scores
    Young adults who are fit have a higher IQ and are more______【51】to go on to university, reveals a major new study carried out at the Sahlgrenska Academy and Sahlgrenska University Hospital.
    The results were recently published in the Proceedings of the National Academy of Sciences ( PNAS). The study involved 1. 2 million Swedish men doing military service who were born between 1950 and 1976. The research group analyzed the______【52】of both physical and IQ tests the youngsters took right after they started serving the army.
    The study shows a clear link______【53】good physical fitness and better results for the IQ test. The strongest links are for______【54】thinking and verbal comprehension. But it is only fitness that plays a______【55】in the results for the IQ test, and not strength. "Being fit means that you also have good heart and lung______【56】and that your brain gets plenty of______【57】, " says Michael Nilsson, professor at the Sahlgrenska Academy and chief physician at the Sahlgrenska University Hospital. "This may be one of the reasons______【58】we can see a clear link with fitness, but not with muscular______【59】. We are also seeing that there are growth factors that are important. "
    By analyzing data for twins, the researchers have been______【60】to determine that it is primarily environmental factors and not genes that explain the link between fitness and a______【61】IQ.
    " We have also shown that those youngsters who______【62】their physical fitness between the ages of 15 and 18 increase their cognitive performance, " says Maria Aberg, researcher at the Sahlgrenska Academy and physician at Aby health centre. "This being the case, physical______(63 ) is a subject that has an important place in schools, and is an absolute must if we want to do well in maths and other theoretical subjects. "
    The researchers have also compared the results from fitness tests______【64】national service with the socio-economic status of the men later in ______【65】. Those who were fit at 18 were more likely to go into higher education, and many secured more qualified jobs.
选项 A、exercise
B、training
C、strength
D、movement
答案C
解析 第三段第三句给本题的答案提供了线索：“But it is only fitness that plays a role in the results for the IQ test，and not strength．(是健康，而不是力量，对智商测试的结果起了作用)”本题的句子重复了上述论断，所以缺失的词应该是strength。结合空前的单词muscular所构成的短语muscular strength(肌肉力量)，符合上下文的意思。所以，本题正确答案是C。
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