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When we think someone is smart,we say th...

When we think someone is smart,we say they have a big brain.But are there any facts to prove that statement?

Yes ! In a new study done by Michael McDaniel , a psychologist at Virginia Commonwealth University,bigger does mean smarter."For all ages and sex groups,"he says,"it is now very clear that intelligence has something to do with brain volume(容量)."

McDaniel reached his conclusion after measuring the size and volume of 26 brains with the help of some instruments.He then used standard IQ tests to measure the intelligence of the owners of these brains. But do IQ tests really reveal intelligence?McDaniel believes that they do,and here are other studies to backup that point of view.One study last year found that IQ is related to the amount and distribution(分布) of gray matter in the brain.The study showed that the amount of gray matter in certain places was strongly related to high IQ.The distribution of gray matter in the brain,which is different for different people,could explain why one person with a high IQ is good at math but poor at spelling,while someone else with the same IQ has just the opposite ability.

Yet another recent study found that women have more gray matter(compared with white matter) than men!However,the study also showed that in the areas of the brain specifically(特别地) related to intelligence,men had much more gray matter,which is needed for some tasks,such as doing a math problem.Women ,on the other hand ,had more white matter ,which is necessary for collecting information.And the point is that intelligence can be influenced in different ways.

"On average,"McDaniel says,"smarter people learn more quickly,make fewer mistakes,and are more productive."He believes in the use of IQ tests to examine those who want to find a job.So,be well,do good work,and…exercise that brain!

1.What does Michael McDaniel's new study prove? ______

A. Women have more white matter than men.

B. The bigger the brain is,the cleverer the person is.

C. IQ has nothing to do with the amount of gray matter.

D. The brain is filled with large amounts of gray matter.

2.The underlined phrase "back up" in Paragraph 4means ______ .

A. express    B. share

C. change    D. support

3.What can we learn from the text? ______

A. Men are smarter than women.

B. Age has an influence on one's intelligence.

C. McDaniel suggests people do more IQ tests.

D. People with the same IQ may have different abilities

4.The author thinks Michael McDaniel's study is ______ .

A. crazy    B. difficult

C. correct    D. subjective (主观的)

 

1.B 2.D 3.D 4.C 【解析】 本文是一篇议论文。研究证明:智力与大脑体积有关。 1.细节理解题。根据第二段In a new study done by Michael McDaniel , a psychologist at Virginia Commonwealth University,bigger does mean smarter.可知,Michael McDaniel的新研究证明了“大脑越大,人越聪明。”故选B。 2.词义猜测题。根据第三段中But do IQ tests really reveal intelligence?McDaniel believes that they do,and here are other studies to back___1___up that point of view.One study last year found that IQ is related to the amount and distribution(分布) of gray matter in the brain.The study showed that the amount of gray matter in certain places was strongly related to high IQ.但是智商测试真的能揭示智力吗?McDaniel相信他们会这样做,这里还有其他的研究来支持这一观点。去年的一项研究发现,智商与大脑灰质的数量和分布有关。研究表明,某些地方的灰质数量与高智商密切相关。由此推知划线词的意思是“支持”,故选D。 3.推理判断题。根据第三段中The distribution of gray matter in the brain,which is different for different people,could explain why one person with a high IQ is good at math but poor at spelling,while someone else with the same IQ has just the opposite ability.可知,智商相同的人可能有不同的能力。故选D。 4.推理判断题。根据最后一段中He believes in the use of IQ tests to examine those who want to find a job.So,be well,do good work,and…exercise that brain!可知,作者认为Michael McDaniel的研究是正确的。故选C。
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