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医学
A、156. B、7498. C、269. D、9427. B题目问的是在8年多的研究中,有多少个参与者得了肺癌。由定位句可知,患肺癌的人是男性113名和女性156名,因此一共是269。故选B。
A、156. B、7498. C、269. D、9427. B题目问的是在8年多的研究中,有多少个参与者得了肺癌。由定位句可知,患肺癌的人是男性113名和女性156名,因此一共是269。故选B。
admin
2022-04-22
103
问题
For years researchers have debated whether smoking effects the lungs in men and women differently. In a most compelling study on the topic to date, researchers determined that women are twice as vulnerable to lung cancer as men. But in a surprising twist, they die at half the rate of men. The study, which was published last week in the Journal of the American Medical Association (J. A. M. A.), included 9427 men and 7498 women from throughout North America who were healthy, at least 40 years old and either current or former smokers. Over the course of more than eight years, a group of investigators led by Dr. Claudia Hensch-ke of the Weill Medical College in New York City identified lung tumors in 113 of the men and 156 of the women. Then the researchers kept track of who lived and for how long, as well as the treatment participants were given. The study showed that both sexes tended to be in their late 60s when they received a lung-cancer diagnosis but that the women usually had smoked considerably less than the men.
Q28: What was one of the requirements for the participants of the study?
Q29: Over the course of more than eight years, how many of the participants developed lung cancer?
Q30: Which of the following is one finding of the study?
选项
A、156.
B、7498.
C、269.
D、9427.
答案
B
解析
题目问的是在8年多的研究中,有多少个参与者得了肺癌。由定位句可知,患肺癌的人是男性113名和女性156名,因此一共是269。故选B。
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