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2019年全国英语等级考试三级精选模拟阅读试题2
2019年全国英语等级考试三级精选模拟阅读试题2

2019年全国英语等级考试三级精选模拟阅读试题2

Just when you had figured out how to manage fat in your diet,researchers are now warning against another common mealtime pitfall(陷阱)--salt.

A study by researchers at the University of California,San Francisco(UCSF),Stanford University and Columbia University shows that even a 1 decrease in daily salt

intake(摄人)can lead to dramatic health benifit.The authors 2 an annual drop of as many as l20,000 cases of heart disease,66,000 3 of stroke and 99,000 heart attacks 4 by high blood pressure after a 3-9—per—day reduction in salt.

The advantages,not surprisingly,were greater for African Americans,who ale more likely to high blood pressure than other ethnic groups,and for the elderly,since blood vessels stiffen with age,which Call lead to higher blood pressure

"Everyone in the U.S.is consuming salt far in 6 of what is good for them,"says lead author Dr.Kirsten Bibbins Domingo of UCSF.“What we a re suggesting is that a population

wide effort to reduce salt intake,even 7,will have health benefits.’’

The team conducted a computer—based analysis to determine the 8

of a 3-g--per day reduction in salt intake on rates of heart disease and death.They also calculated the cost savings emerging from the amount of disease that would be 9 because of lower blood pressure.The conclusion:by cutting salt

intake nationwide,the U.S.could save$10 billion to$24

billion 10 in health care costs.

A.accidents

C.avoided

E.considerable

G.documented

I.excess

K.instancesM.revised

O.undertakeannually caused develop dramatically

答案及解析:

1.L.参考解析:该处需填人形容词,修饰后面的名词decrease.意思为:即便将日常食盐的摄入量进行适量的减少都可带来极大的健康益处,形容词considerable显然不符合句意,因此填入形容词modest.

2.G.参考解析:此处需要填人动词作句子的谓语,且用动词的一般过去式。依据句意,该处应该填入动词document的过去式,表示作者通过数据记录减少食盐摄入量后,心脏病、中风和心肌梗塞相对应减少的病例。

3.K.参考解析:此处需要填入名词,和前面的心脏病例(cases of heart disease),本句的中风实例(instances of stroke)以及后面的心肌梗塞(heart attacks)担当同样的句子成分,因此,应该填入名词instanceso

4.D.参考解析:此处需要填入过去分词作后置定语,因为心肌梗塞(heart attacks)是因为高血压引起的,分词和它做修饰的名词短语

是被动关系,所以填人过去分词表被动,依据句意进一步推断,该处

填人caused.

5.F.参考解析:此处需要填入动词原形,和be likely to do构

成固定搭配,意思是:很有可能做某事。填入动词原形develop(发展,形成),非洲裔的美国人比其他种族更易患上高血压,正好符合原文意思。

6.I.参考解析:此处需要填入名词,构成词组in excess of,意思是:超过;较…更多。故选I项excess,这句话的意思是:美国人食盐的摄入量远远超过健康需要的标准。

7.N.参考解析:此处需要填入副词修饰整个句子。在副词分类中

选中slightly(轻微地)最符合题意,强调即使是微量的减少食盐摄入量,也会让健康受益。

8.J.参考解析:此处需要填入名词。依据该句句意:研究团队进

行了一项电脑分析,来检测每天减少3克食盐摄入量对心脏病患病率

和死亡率的影响,因此填入名词impact,符合句意。

9.C.参考解析:此处需要填入过去分词,由that引导的定语从

句中缺少构成谓语的过去分词,组成过去将来时的被动语态would

be+v-ed,填入过去分词avoided,意思是:通过血压的落低,某些疾

病将是可以避免的。

10.B.参考解析:此处填人副词,annually(每年)作为统计数据

的时间单位,意思是:通过全国范围的控盐运动,美国每年节约的医

疗费用为100亿到240亿美元。据此,可以判断选择B.

参考译文:

就在你了解如何控制饮食中的脂肪的时候,研究人员已经开始就

饮食中另一个常见的健康威胁——盐,提出警告。

一项由加州大学旧金山分校、斯坦福大学和哥伦比亚大学的研究人员进行的研究显示,即便适量减少日常食盐的摄入量对健康都可带来极大的益处。研究的作者用文件展示了这一结果:每天减少3克食盐的摄入量,每年由高血压引起的心脏病患者可减少l20,000例,中风减少66.000例,心肌梗塞减少99,000例。

这样的结果对于非洲裔的美国人无疑更有利,因为他们比其他种族更易患上高血压,这对老年人也是个福音,因为血管随着年龄增长老化僵硬,也会引起血压升高。

“美国人食盐的摄入量远远超过健康需要的标准。”这项研究的第一作者,加州大学旧金山分校的柯尔斯顿·罗宾斯·多明戈说。“我们所倡议的,是一场全民范围的控盐运动,即便是微量的,也会让健康受益。”研究团队进行了一项电脑分析,来检测每天减少3克食盐摄入量对心脏病患病率和死亡率的影响。他们还计算了这样做能够节约多少资金,因为它使得人们能够避免因为血压升高而患上其他疾病。得到的结论是:通过全国范围的控盐运动,美国每年节约的医疗费用为100亿到240亿美元。

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