CR题求助，come on~

kangtong1990 · 发表于 2012-9-12 20:32:48

Two genes ,A and B ,are linked to breast cancer. Therefore ,in order to decrease the annual number of mam test administrated across a population and to more accurately assess a woman’s individual risk breast cancer,all women should be tested for these genes.
Which of the following is an assumption on which the argument depends?
(A)Women who have these genes have an 80 percent chance of getting breast cancer,while women who do not have these genes have only a 10 percent chance of getting breast cancer
(B)Some of the women who are tested for the two genes will subsequently undergo mam on a less frequent basis than they used to

chasexix · 发表于 2012-9-13 15:10:23

肯定不是A，因为A有重复了‘linked to cancer’这个fact.

B是说，一些有这个gene的女人可以少做mam test, 'thus decrease the annual number of mam test administrated across a population'

kangtong1990 · 发表于 2012-9-13 22:29:24

谢谢，有道理额！！！

CR题求助，come on~

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