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题库 / GMATLA-CR-34
The traditional treatment of strep infections has been a seven-day course of antibiotics, either penicillin or erythromycin. However, since many patients stop taking those drugs within three days, reinfection is common in cases where those drugs are prescribed. A new antibiotic requires only a three-day course of treatment. Therefore, reinfection will probably be less common in cases where the new antibiotic is prescribed than in cases where either penicillin or erythromycin is prescribed.
Which of the following, if true, most strengthens the argument?
Some of the people who are allergic to penicillin are likely to be allergic to the new antibiotic.
A course of treatment with the new antibiotic costs about the same as a course of treatment with either penicillin or erythromycin.
The new antibiotic has been shown to be effective in eradicating bacterial infections other than strep.
Some physicians have already begun to prescribe the new antibiotic instead of penicillin or erythromycin for the treatment of some strep infections.
Regardless of whether they take a traditional antibiotic or the new one, most patients feel fully recovered after taking the drug for three days.
找准这个题目的逻辑链是什么，剩下的都是背景信息。这个题目说的是以前的要需要7天才能好，但是很多人三天就停药了，因此很容易复发，但是现在新药三天就可以治好了，那么肯定复发的几率会减少；那其实有一个假设存在，不管是7天还是3天反正病人一直都是3天后才停药（也就是三天后病人觉得自己好了），这样子E选项就加强了原文的结论；反之A.C.D首先判断无关，最有迷惑性的可能是B选项，但是花多少钱只是影响有多少人去尝试新药，但不影响已经吃了药的人复发的问题。
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