题目内容
【题目】根据短文理解，选择正确答案。
Some educators told us that more years of school could help students get higher scores on intelligence tests. That was a finding of a study of teenage males in some countries. Now, another research shows that physical activity may help students do better in their classes.
The research comes as educators in some countries are reducing time for activities like physical education. They are using the time instead for academic（学术的）subjects like math and reading. The studies appeared between 2008 and 2014. They included more than 55, 000 children, aged 6 to 18.
Amika Singh:“ According to the results of our study, we can conclude that being physically active is beneficial for academic performance. There are, first, Physiological explanations, like more blood flow, and so more oxygen to the brain. Being physically active means there are more hormones(荷尔蒙)produced like endorphins(内啡肽). And endorphins make your stress level lower and your mood improved, which means you also perform better.”
Also, students taking part in organized sports learn rules and how to follow them. This could improve their classroom behavior and help them keep their mind on their work.
The study leaves some questions unanswered, however. Ms. Stash says it is not possible to say whether the amount or kind of activity affected the level of academic improvement. This is because of differences among the studies.
The researchers said they found only two high-quality studies. They needed more high-quality studies to confirm (证实) their findings. They also pointed out that “results for other parts of the world may be quite different.”
Still，the general finding was that physically active kids are more likely to do better in school. Ms. Singh says schools should consider that finding before they cut physical education programs. Her paper on “Physical Activity and Performance at School” is published in the Archives of Pediatric and Adolescent Medicine.
（1）The passage mainly tells us that ________.
A.a research on physical education has been done by the researchers
B.there is a possibility that physical activity leads to higher grades
C.the amount or kind of activity directly affects academic level
D.the research shows that the children aged 6 to 18 don't do sports
（2）Which of the following is TRUE?
A.Being mentally active is good for academic subjects.
B.The more hormones you have, the more stressed you will get.
C.The researchers have found many high-quality studies to prove the research.
D.The educators in some countries think studies, not exercise, mean much to students.
（3）The underlined sentence in Paragraph 6 probably means ________.
A.good marks result from high-quality study.
B.findings are probably different in different areas.
C.physical activity will spread all over the world.
D.academic performance depends on the surroundings.
（4）What's the purpose of writing the passage?
A.To call our attention to the sports at school.
B.To introduce all types of physical activities.
C.To represent the academic performance.
D.To improve students' health.
【答案】
（1）B
（2）D
（3）B
（4）A
【解析】本文介绍了一项新的研究发现：体育活动对学生有益。而现在有教育者要减少体育教育的时间，作者呼吁我们要重视体育教育。
⑴主旨大意。根据文章第一段最后一句Now, another research shows that physical activity may help students do better in their classes.可知另外一项研究显示体育活动可以帮助学生在课堂里表现得更好，能够取得更好的成绩。文章对这一研究发现展开详细说明。故B项正确。
⑵推理判断。根据第二段前两句The research comes as educators in some countries are reducing time for activities like physical education. They are using the time instead for academic（学术的）subjects like math and reading.正是因为一些教育者正在减少体育教育的时间，而把更多的时间用在了专业性更强的数学或阅读学科方面。所以人们才进行了这项研究。故D项正确。
⑶句意理解。根据划线句前两句The researchers said they found only two high-quality studies. They needed more high-quality studies to confirm (证实) their findings.可知研究人员认为他们只进行了两次高质量的研究，还需要更多的研究来证实这个理论。也许在其他地方的研究会得出不同的结果。故B项正确。
⑷目的意图。根据文章最后一段Still，the general finding was that physically active kids are more likely to do better in school. Ms. Singh says schools should consider that finding before they cut physical education programs.可知参加体育活动对学生有很大的好处，学校在减少体育课程之前要三思而后行。呼吁我们要高度重视体育教育。故A项正确。
