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标题: GWD-24-Q 22...看了前人的说法还是有疑惑！！！快考了大家帮帮忙吧！！ [打印本页]

作者: alpaca 时间: 2010-9-7 13:35
标题: GWD-24-Q 22...看了前人的说法还是有疑惑！！！快考了大家帮帮忙吧！！

GWD-24-Q 22:

Often patients with ankle fractures that are stable, and thus do notrequire surgery, are given follow-up x-rays because their orthopedistsare concerned about possibly having misjudged the stability of the fracture. When a number of follow-up x-rays were reviewed, however, allthe fractures that had initially been judged stable were found to havehealed correctly. Therefore, it is a waste of money to order follow-up

x-rays of ankle fracture initially judged stable.

Which of the following, if true, most strengthens the argument?

A.Doctors who are general practitioners rather than orthopedists areless likely than orthopedists to judge the stability of an ankle fracture correctly.

B.Many ankle injuries for which an initial x-ray is ordered are revealedby the x-ray not to involve any fracture of the ankle.

C.X-rays of patients of many different orthopedists working in severalhospitals were reviewed.

D.The healing of ankle fractures that have been surgically repaired isalways checked by means of a follow-up x-ray.

E.Orthopedists routinely order follow-up x-rays for fractures of boneother than ankle bones.

答案是C，NN们的解释是：原文说When number of follow-up x-rays were reviewed...，没有说明选择的样本是否能代表全部。而C说样本是取自many different orthopedists working in several hospitals，说明了样本的代表性，加强结论。

可是我觉得应该选E，因为整个argument的结论是：Therefore, it is a waste of money to order follow-up，因此应该考虑的是浪费钱的问题吧？
有人肯定会说E是无关项啊，检查的东西都不一样~可是我觉得就是因为检查的内容都不同就更能说明这种检查是没有意义的浪费钱的嘛。

想了好久都没有像明白~好心人来解答一下吧！！谢谢谢谢！

原文说When number of follow-up x-rays were reviewed...，没有说明选择的样本是否能代表全部。而C说样本是取自many different orthopedists working in several hospitals，说明了样本的代表性，加强结论。

作者: mudiduange 时间: 2010-9-7 15:42
E选项的比较对象原文没有提过呀，属于无关选项

Therefore, it is a waste of money to order follow-up

要支持或者驳斥，不一定要提到钱啊。只要说明这种做法有必要即可

作者: alpaca 时间: 2010-9-7 15:53
谢谢你的解释，可是我还是不太明白……
我觉得这个题不是要加强这种做法的可行性，而是要加强这个结论。而结论是关于浪费钱的，题干中也没有关于这种照X光的这种做法的相关结论，所以我觉得题目并不是要说明这种做法可行或者不可行，而是这种做法是不是浪费钱啊~

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