【单选题】
YoungAdults WhoExercise Get Higher IQ Scores
Young adults who are fit have a higher IQ and are more (1) to go on to university, reveals a major new study carried out at the SahlgrenskaAcademy and Sahlgrenska University Hospital.
The results were recently published in the Proceedings of the NationalAcademy of Sciences (PNAS). The study involved 1.2 million Swedish men doing military service who were born between 1950 and 1976. The research group analysed the (2) of both physical and IQ tests the youngsters took right after they started serving the army.
The study shows a clear link (3) good physical fitness and better results for the IQ test. The strongest links are for (4) thinking and verbal comprehension.But it is only fitness that plays a (5) in the results for the IQ test, and not strength. "Being fit means that you also have good heart and lung (6) and that your brain gets plenty of (7) , " says Michael Nilsson, professor at the SahlgrenskaAcademy and chief physician at the Sahlgrenska University Hospital. "This may be one of the reasons (8) we can see a clear link with fitness, but not with muscular (9) . We are also seeing that there are growth factors that are important. "
By analysing data for twins, the researchers have been (10) to determine that it is primarily environmental factors and not genes that explain the link between fitness and a (11) IQ.
"We have also shown that those youngsters who (12) their physical fitness between the ages of 15 and 18 increase their cognitive performance," says MariaAberg, researcher at the SahlgrenskaAcademy and physician atAby health centre. "This being the case, physical (13) 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 (14) national service with the socio-economic status of the men later in (15) . Those who were fit at 18 were more likely to go into higher education, and many secured more qualified jobs.
A、change B、hydrogenC、oxygen
D、memory
网考网参考答案：C
网考网解析：
[解析] 如前所述，身体健康意味着心肺好，这与大脑有什么关系呢？常识告诉我们，呼吸顺畅，通过肺部进入血液的氧气也多；心功能良好，就能有效地将带有氧气的新鲜血液源源不断地输送到大脑，大脑就能活跃地工作。所以，选项oxygen是答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
Young adults who are fit have a higher IQ and are more (1) to go on to university, reveals a major new study carried out at the SahlgrenskaAcademy and Sahlgrenska University Hospital.
The results were recently published in the Proceedings of the NationalAcademy of Sciences (PNAS). The study involved 1.2 million Swedish men doing military service who were born between 1950 and 1976. The research group analysed the (2) of both physical and IQ tests the youngsters took right after they started serving the army.
The study shows a clear link (3) good physical fitness and better results for the IQ test. The strongest links are for (4) thinking and verbal comprehension.But it is only fitness that plays a (5) in the results for the IQ test, and not strength. "Being fit means that you also have good heart and lung (6) and that your brain gets plenty of (7) , " says Michael Nilsson, professor at the SahlgrenskaAcademy and chief physician at the Sahlgrenska University Hospital. "This may be one of the reasons (8) we can see a clear link with fitness, but not with muscular (9) . We are also seeing that there are growth factors that are important. "
By analysing data for twins, the researchers have been (10) to determine that it is primarily environmental factors and not genes that explain the link between fitness and a (11) IQ.
"We have also shown that those youngsters who (12) their physical fitness between the ages of 15 and 18 increase their cognitive performance," says MariaAberg, researcher at the SahlgrenskaAcademy and physician atAby health centre. "This being the case, physical (13) 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 (14) national service with the socio-economic status of the men later in (15) . Those who were fit at 18 were more likely to go into higher education, and many secured more qualified jobs.
A、change B、hydrogenC、oxygen
D、memory
网考网参考答案：C
网考网解析：
[解析] 如前所述，身体健康意味着心肺好，这与大脑有什么关系呢？常识告诉我们，呼吸顺畅，通过肺部进入血液的氧气也多；心功能良好，就能有效地将带有氧气的新鲜血液源源不断地输送到大脑，大脑就能活跃地工作。所以，选项oxygen是答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
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