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题库 / GMATLA-CR-42
In Rubaria, excellent health care is available to virtually the entire population, whereas very few people in Terland receive adequate medical care. Yet, although the death rate for most diseases is higher in Terland than in Rubaria, the percentage of the male population that dies from prostate cancer is significantly higher in Rubaria than in Terland.
Which of the following, if true, most helps to explain the disparity between the prostate cancer death rate in Rubaria and Terland?
Effective treatment of prostate cancer in its early stages generally requires medical techniques available in Rubaria but not in Terland.
Most men who have prostate cancer are older than the average life expectancy for male inhabitants of Terland.
Being in poor general health does not increase one's risk of developing prostate cancer.
It is possible to decrease one's risk of getting prostate cancer by eating certain kinds of foods, and such foods are more readily available in Rubaria than in Terland.
Among men in Rubaria, the death rate from prostate cancer is significantly higher for those who do not take full advantage of Rubaria's health care system than for those who do.
b的意思是：得癌症男人的年龄大于T国人男人的平均寿命（不要理解错）。所以T国男人很多活不到得癌症的岁数就死了，所以比例小，但是R国，男人因为良好的医疗条件寿命会更高，如男人老龄化，所以的癌症的就会多，所以比例会有大的可能。（单词prostate是 前列腺。）
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