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A research suggests that speaking more t...

    A research suggests that speaking more than one language may delay different kinds of dementia(痴呆) that is the loss of mental ability. In fact, researchers say, speaking two languages appears to be more important than the level of education in defending against dementia.

A study in India examined the effect of knowing more than one language in delaying the first signs of several dementia. Researchers studied nearly 650 people whose average age was 66. 240 of those studied suffered from Alzheimer's, the most common form of mental decline(下降). 391 of the subjects spoke two or more languages. Researchers found the dementia began about four-and-a-half years later in those who spoke two languages compared to those who spoke only one language. The level of education had no effect on the age at the first sign of dementia.

Thomas Bak, from the Centre of Cognitive Aging at the University of Edinburgh in Scotland, who helped to organize the study, suggests that individuals who speak more than one language train their brains by moving back and forth between different words and expressions. He also believes this effort improves what scientists called executive(执行的) functioning, which often weakens in people with dementia. He states that researchers found there was no extra gain in speaking more than two languages.

Mr Bak says it does not appear important whether you learn another language at a young age or later in life. It's not something that “you missed the boat when you do not do it as a baby.” It is something that is still quite useful and powerful when you do it as an adult.

1.The finding of the study is that .

A.learning more than one language can cure dementia

B.the level of education matters in defending against dementia

C.speaking two languages may delay kinds of dementia

D.people who suffer from dementia will lose mental ability

2.The underlined word “subjects”  in Paragraph 2 refers to “______”.

A.notices that were put on about the study

B.people who were studied in the study

C.questions that were asked in the study

D.methods that were used in the study

3.According to Mr Bak, ______.

A.when you learn one more language makes no difference

B.people's executive functioning often strengthens with age

C.the more languages one speaks, the less chance of getting dementia

D.it is much easier to learn one more language at a young age

4.This passage may probably be seen in ______.

A.a research plan B.a business magazine

C.a book review D.a health magazine

 

1.C 2.B 3.A 4.D 【解析】 这是一篇说明文,介绍一项新的调查结果,研究表明会多种语言或能延迟痴呆的最初迹象,文章介绍调查的方式和过程,解释其中的道理。 1. 细节理解题。从第一段的句子“New research suggests that speaking more than one language may delay different kinds of dementia,that is the loss of mental ability.”新的研究表明,说一种以上的语言可能会延缓不同类型的痴呆症,也就是智力的丧失。可知新研究表明说两种语言可以延缓各种痴呆。故选C项。 2. 词义猜测题。从第二段的“Researchers studied nearly 650 people whose average age was 66.240 of those studied suffered from Alzheimer's”, 研究人员研究了近650人,他们的平均年龄为66岁,其中240人患有老年痴呆症。所以其中391人会说两种或两种以上的语言。可知subjects是指的接受测试的人,故选B项。 3. 细节理解题。从最后一段的句子“Mr Bak says it does not appear important whether you learn another language at a young age or later in life.”可知巴克表示,无论你是在年轻时还是以后学习另一种语言,似乎都不重要。所以Mr Bak认为什么时候学习两种语言没有什么影响,符合A选项意思。故选A项。 4. 推理判断题。从第一段的句子“New research suggests that speaking more than one language may delay different kinds of dementia,that is the loss of mental ability.”新研究表明说两种语言可以延缓各种痴呆,文章首段点出主题。这篇文章讲的是说两种语言可以延缓各种痴呆,这是关于健康的话题,故短文来自“健康杂志”。故选D项。
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C.Deka's experiences drove her to work hard

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