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A Southampton University team found that people who were vegetarians by 30 had recorded five IQ points higher on average at the age of 10. Researchers said it could explain why people with a higher IQ were healthier as a vegetarian diet was linked to lower heart disease and obesity rates. The study of 8,179 people was reported in the British Medical Journal.
Twenty years after the IQ tests were carried out in 1970, 366 of the participants said they were vegetarians — although more than 100 reported eating either fish or chicken.
Men who were vegetarians had an IQ score of 106, compared with 101 for non-vegetarians; while female vegetarians averaged 104, compared with 99 for non-vegetarians. There was no difference in the IQ scores, between strict vegetarians and those who said they were vegetarians but reported eating fish or chicken.
Researchers said the findings were partly related to better education and higher class, but it remained statistically significant after adjusting for these factors.
Vegetarians were more likely to be female, to be of higher social class and to have higher academic or vocational qualifications than non-vegetarians. However, these differences were not reflected in their annual income, which was similar to that of non-vegetarians.
Lead researcher Catharine Gale said, “The findings that children with greater intelligence are more likely to report being vegetarians as adults, together with the evidence on the potential benefits of a vegetarian diet on heart health, may help to explain why a higher IQ in childhood or adolescence is linked with a reduced risk of coronary heart disease in adult life.
But Dr Frankie Phillips of the British Dietetic Association said，“ they are clever enough to be more aware of health issues?”
[语篇解读] 研究表明，素食和高智商有一定的关系。
1.What‟ s the result of the research mentioned in the text?
A. Intelligent children are more likely to become vegetarians later in life.
B. Children with a higher IQ are less likely to have heart disease later in life.
C. Intelligent children tend to belong to higher social class later in life.
D. Children with a healthier heart tend to have a higher IQ later in life.
[解析] 细节理解题。根据第一段中的“people who were vegetarians by 30 had recorded five IQ points higher on average at the age of 10”可知A项正确。根据“it could explain why...”可知这一结果可帮助解释B项中的现象，但B项并非这次研究的结果。故本题选A。
[答案] A
2.It was found in the research that________.
A. most of the participants became vegetarians 20 years after the IQ tests were carried out
B. vegetarians who ate fish or chicken were of similar intelligence with strict vegetarians
C. female vegetarians were more likely to have higher annual income than non-vegetarians
D. vegetarians were more likely to have higher annual income than non-vegetarians
[解析] 细节理解题。根据第三段中的“There was no difference in the IQ scores between strict vegetarians and those who said they were vegetarians but reported eating fish or
chicken”可知答案。
[答案] B
3.Catharine Gale talked about “being vegetarians” in a(n)________way.
A. doubtful C. negative
B. favorable D. objective
[解析] 推理判断题。根据第六段可知Catharine Gale只是客观地讲述研究结果，并没有表示自己的立场。故选D项。
[答案] D
4.What does the underlined sentence in the last paragraph mean?
A. Intelligence is linked to not just being a vegetarian but to many factors.
B. The rate of getting heart disease is linked to your lifestyle.
C. The link between a high IQ and being a vegetarian is still uncertain.
D. The link between a healthy heart and diet remains to be proved.
[解析] 推理判断题。文章最后一句的意思是：人们成为素食者是因为他们智商高还是因为他们足够聪明而更注意健康问题?由此可见Dr Frankie Phillips认为素食和高智商的因果关系尚未明确，就像弄不清楚是因为有蛋才有鸡，还是因为有鸡才有蛋一样。故C项正确。
[答案] C
5.What‟ s the best title for the text?
A. Get more IQ points!
B. Be a vegetarian, please!
C. Vegetarian diet cuts heart risk
D. A high IQ is linked to being a vegetarian
[解析] 标题概括题。本文介绍了一项研究结果：素食与高智商有关，故D项正确。作者并未提出建议，所以A、B两项错误;文章中虽然提到了心脏病，但不是文章的主旨，故C项错误。
[答案] D
[长难句解读] (1) A Southampton University team found that people who were vegetarians by 30 had recorded five IQ points higher on average at the age of 10.
本句是含有定语从句的复合句。who were vegetarians by 30是定语从句，修饰先行词people。
(2)There was no difference in the IQ scores between strict vegetarians and those who said they were vegetarians but reported eating fish or chicken.
There was no difference in the IQ scores between strict vegetarians and those是主句，who said they were vegetarians but reported eating fish or chicken是定语从句，修饰先行词those。
2013高考英语试题分类小结篇：情态动词与虚拟语气
2013高考英语试题分类小结篇：动词的时态和语态
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