一道容易想歪的题

chasekai · 发表于 2011-6-29 11:33:27

12. The only purpose for which a particular type of tape is needed is to hold certain surgical wounds closed for ten days—the maximum time such wounds need tape. Newtape is a new brand of this type of tape. Newtape’s salespeople claim that Newtape will improve healing because Newtape adheres twice as long as the currently used tape does.
Which of the following statements, if true, would most seriously call into question the claim made by Newtape’s salespeople?
(A) Most surgical wounds take about ten days to heal.
(B) Most surgical tape is purchased by hospitals and clinics rather than by individual surgeons.
(C) The currently used tape’s adhesiveness is more than sufficient to hold wounds closed for ten days.
(D) Neither Newtape nor the currently used tape adheres well to skin that has not been cleaned.
(E) Newtape’s adhesion to skin that has been coated with a special chemical preparation is only half as good as the currently used tape’s adhesion to such coated skin.

OA C，我错选A，我的理解是文章说NEWTAPE比现在的tape贴的时间更长，所以比现在的tape好。那么A所述wounds只要10天就能愈合说明newtape更长的时间没有形成优势，因为就算时间长也无法更好的improve healing（因为只需要10天就能愈合）则weaken了结论。

大家看看我的推理有什么错误！我寻思着是不是对twice as long as理解错误！

sdcar2010 · 发表于 2011-6-29 12:05:18

With A, you still do not know what is the average days for either the old tape or the new tape to hold wounds closed. Thus, you are still in the dark for the question "which tape is better."

C) on the other hands says the current tape is sufficient for healing and the conclusion of the argument based on the longer time for the new tape loses its strength.

一道容易想歪的题

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