2020年7月英语四级听力真题-短文3

外语2020-08-31 18:20:10 3万
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一、试题:

二、原文:

Passage Three

Watching more than 3 hours of television a day doubles memory loss in older people, a new study of more than 3,000 adults suggests. Scientist at University College London used memory and fluency tests on the same group of people 6 years apart. They found that those who watched on average less than 3 hours television a day showed a decline ever round 4 to 5 percent, while those who tended to watch more than 3 hours a day declined by an average of 8 to 10 percent. The research team say they believe the alert but passive nature of television watching maybe creating stress on the mind, which contributes to memory decline.

Older people who watch more television are also less likely to undertake activities knowing to preserve mental functioning, such as reading or interactive screen base pursuits, such as using the internet or playing video games. The researchers say that television viewing maybe a risk factor for all Alzheimer’s disease, but more researches needed to establish a link.

While watching television may have educational benefits and relaxation benefits, the researchers advise that adults over the age of 50 should try and ensure that television viewing is balanced with other contrasting activities. If you’re concerned that the amount of television you’re watching could have a negative impact on your health, you should eliminate the amount of TV watch each day and undertake some healthy hobbies.

Question22. By what means does scientist at University College London measure memory lost?

答案:C

定位句: Scientists at University College London used memory and fluency tests on the same group of people 6 years apart. 

Question23. What contributed to memory decline in the participants?

答案:A

定位句: The research team say they believe the "alert-but-passive" nature of television watching maybe creating stress on the mind which contributes to memory decline.

Question24. What did the researchers say about their finding concerning the link between TV viewing and xxx this disease?

答案:A

定位句: The researchers say that television viewing maybe a risk factor for Alzheimer's disease, but more research is needed to establish a link.

Question25. What do the researchers suggest older people do?

答案:B

定位句: The researchers advise that adults over the age of 50 should try and ensure that television viewing is balanced with other contrasting activities. If you're concerned that the amount of television you're watching could have a negative impact on your health you should limit the amount of TV you watch each day and undertake some healthy hobbies.

【翻译】


一项以3000多名成年人为实验对象的新研究表明,每天看电视超过3小时会使老年人记忆力减退问题加重一倍。伦敦大学学院的科学家对同一组受试者进行了一项时间间隔长达6年的记忆力和流利性测试。他们发现,那些平均每天看电视时长不到3小时的人表现出了4%~5%的记忆力衰退问题,而那些习惯每天看3小时以上的人记忆力下降的平均幅度为8%~10%。研究小组表示,他们认为看电视警觉但被动的本质会对大脑产生压力,从而导致记忆力的下降。



同时,看电视看得更多的老年人也不太可能去做那些我们大家都知道有助于保持大脑活跃度的活动,比如阅读以及上网或玩电脑游戏等基于屏幕、讲究互动的活动。研究人员表示,所有阿尔茨海默症(老年痴呆)可能都跟看电视有关,但要确定两者之间的联系还需更多研究。



尽管看电视可能具有一定的教育、放松作用,但研究人员建议,50岁以上的成年人应该努力确保看电视与其他截然相反的活动保持平衡。如果你担心你看电视的时长可能会对你的健康产生负面影响,那建议你减少每天看电视的时间,从事一些健康的爱好。



请根据上述文段回答22-25题。



问题22:伦敦大学学院的科学家用什么方法检测记忆力损失的?



问题23:是什么导致了参与者的记忆力下降?



问题24:关于看电视和这种疾病之间的联系,研究人员对他们的发现有何看法?



问题25:研究人员建议老年人做些什么?




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