GWD-24-Q 22:
Often patients with ankle fractures that are stable, and thus do not
require surgery, are given follow-up x-rays because their orthopedists
are concerned about possibly having misjudged the stability of the fracture. When a 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.
为什么选C?
Line of reasoning: O为了确认是不是stable所以要病人做x-ray，可是做了之后发现都是stable的，所以说这个x-ray完全浪费钱。
A：doctors => irrelevant
B：this is the fact stated in this argument, not the evaluation of the argument. 重复固然是加强的一种方式，但也没这么一模一样抄一遍的。看OG里面就是把原文论述取个非，放在选项里当正确答案。
C：Correct！这道题是典型的从证明evidence的有效性入手，说明样本量很大，结果很可靠
D：我治疗一直都followed by x-ray的。This statement restates the fact underlying the argument，没证明说x-ray浪费钱
E：out of scope 原文没比较这两个
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