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  3. Most Adults in U. S. Have Low Risk of Heart Disease More than 80 percent of U. S. adults have a less than 10-percent risk of

Most Adults in U. S. Have Low Risk of Heart Disease More than 80 percent of U. S. adults have a less than 10-percent risk of

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问题                 Most Adults in U. S. Have Low Risk of Heart Disease
    More than 80 percent of U. S. adults have a less than 10-percent risk of developing heart disease in the next 10 years, according to a report in the Journal of the American College of Cardiology(心脏病学). Just 3 percent have a risk that exceeds 20 percent.
    " I hope that these numbers will give physicians, researchers, health policy analysts, and others a better idea of how coronary(心脏冠状动脉的)heart disease is distributed in the U. S. population," lead(带头的)author Dr. Earl S. Ford, from the Centers for Disease Control and Prevention in Atlanta, said in a statement.
    The findings are based on analysis of data from 13 ,769 subjects, between 20 and 79 years of age, who participated in the Third National Health and Nutrition(营养的供给)Examination Survey from 1988 to 1994.
    Overall, 82 percent of adults had a risk of less than 10 percent, 15 percent had a risk that fell between 10 to 20 percent and 3 percent had a risk above 20 percent.
    The proportion of subjects in the highest risk group increased with advancing age, and men were more likely than women to be in this group. By contrast, race or ethnicity(种族划分)had little effect on risk distributions.
    Although the report suggests that most adults have a low 10 -year risk of heart disease, a large proportion have a high or immediate risk, Dr. Daniel S. Berman, from Cedars-Sinai Medical Center in Los Angeles, and Dr. Nathan D. Wong, from the University of California at Irvine, note in a related editorial.
    Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward, they add.
Which of the following statements is NOT right?
选项 A、The 10-year risk of heart disease is low for most U. S. adult.
B、Elderly people have a higher risk of heart disease than younger people.
C、Women have a higher risk of heart disease than man.
D、The distribution of the risk of heart disease are hardly related to race.
答案C
解析 文章首段提到就提到美国80％以上的成年人未来十年内患心脏病的风险低于10％，故A项正确；由第五段最后一句话“By contrast，race or ethnicity(种族划分)hadlittle effect on risk distributions．”可知种族对患病风险的分布影响很小，故D项正确；由第五段“The proportion of subjects in the highest risk group increased with advancing age，and men were more likely than women to be in this group．”可知实验对象年龄越大，在高风险组中所占的比例也越大，男人进入该组的可能性也大于女性，故B项正确，C项错误。
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