标题: OV-45(有木有牛人能看一下我的思維？） [打印本页] 作者: student7 时间: 2011-6-15 17:21 标题: OV-45(有木有牛人能看一下我的思維？） Often patients with ankle fractures that are stable, and thus do not require surgery, are given follow-up x-ray because their orthopedists are concerned about possibly having misjudged the stability of the fracture. When number of follow-up x-rays were reviewed, however, all the fractures that had initially been judged stable were found to have healed 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 are less 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 revealed by the x-ray not to involve any fracture of the ankle. C) X-rays of patients of many different orthopedists working in several hospitals were reviewed. D) The healing of ankle fractures that have been surgically repaired is always checked by means of a follow-up x-ray. E) Orthopedists routinely order follow-up x-rays for fractures of bone other than ankle bones
Ｂ和Ｃ很纠结啊....
B是因为与主题无关吗？(not to involve any fracture)
C的句意是什么啊？翻起来很怪....
刚刚又再想了一下～
Ｃ是不是--确认样本的可信度
（因为题目是根据 A NUMBER OF follow-up x-rays 来生得结论的）
C 好像是说 被reviewed的x-rays是来自许多不同的医院和不同的骨科医师
这样算不是算是说明了这个是平均采样的大样本
确立了“统计数据生结论”的可信度
是吗？？
Ｂ是说 ：许多脚踝的受伤经过Ｘ光照后，发现都没什么骨折 。
本来我是想说，因为脚踝受伤都没什么骨折，更确定了Ｘ光是不必要的。
不过，像这种答案，似乎根本就偏离主题了？？
因为，主题是在说“有骨折”....
是吗？？
作者: sdcar2010 时间: 2011-6-15 19:08
You are better than me.作者: colasama 时间: 2011-6-16 01:30
哈哈～真的，楼主是牛人作者: camelo777 时间: 2011-6-16 01:41
哈哈哈连sdcar2010都这么说了，LZ你分析的很好了~作者: student7 时间: 2011-6-16 09:25
!! 歪打正着的 还被牛人这样说 真有些不好意思
