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标题: TT GWD11-Q19 [打印本页]

作者: janegaojians 时间: 2008-7-10 06:57 标题: TT GWD11-Q19

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?

A. Effective treatment of prostate cancer in its early stages generally requires medical techniques available in Rubaria but not in Terland.

B. Most men who have prostate cancer are older than the average life expectancy for male inhabitants of Terland.

C. 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.

请大家帮忙分析一下，我不知道为什么要选B，想不明白。谢谢

作者: sisxoinouer 时间: 2008-7-11 06:45

T里患这个癌症的人活的比R长，那么T死亡率自然就低。R没几年就死了，自然死亡率高。

作者: janegaojians 时间: 2008-7-12 08:43

谢谢楼上的。我的脑子不好使了，再琢磨琢磨。

作者: micklefuer 时间: 2008-7-12 08:54

得P病的人年龄大,R地人得该病.T地人还没得这病就已经去西天了,所以死亡率低.

作者: Radia_ting 时间: 2008-7-12 19:25

假设die from p cancer=头发掉光

那么因为T那个地方的人在得病的时候岁数都超过了平均年龄,所以他们die naturally

的几率就很高了

也就是没等头发掉光就死了.所以不能定义为die from p cancer

可以解释为什么Tdie from p cancer低于R

不过个人感觉这个解释太牵强,也是实在因为没别的可选吧...

作者: janegaojians 时间: 2008-7-18 20:21

many  thanks !!!!!

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