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阅读理解

In a major National Institutes of Health study that followed more than 5,000 men and women for 24 years,scientists discovered that the thinnest people ran the highest rate of dying.The thinnest group of men had the highest death rates from cancer and all other diseases except those of the cardiovascular system.It is also found that thinness does not mean wellness.Men 15 percent below average weight die more often from pneumonia,influenza,heart disease and suicide than their weightier counterparts.Women 15 percent less than average are easy to get pneumonia,influenza and digestive system diseases.An American Cancer Society study found that those 20 percent underweight died more often from strokes and digestive disease than their average weight counterparts.In a California study of 7,000 men and women,the highest death rates were among those 10 percent underweight.

The thinnest group of men are less likely to suffer from _______.

A.strokes and digestive disease

B.pneumonia and influenza

C.influenza

D.diseases of the cardiovascular system

正确答案：D

答案解析：从文中The thinnest group of men had the highest death rates from cancer and all other diseases except those of the cardiovascular system.最瘦的一组男子最易受到除心血管疾病之外的病痛的威胁，所以他们不太可能得的病是心血管疾病；答案为D.

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