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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.
判断错误逻辑链类型，错误：方案推理。但本题的concl是 reinfection will probably be less common in cases 【where the new antibiotic is prescribed than in cases where either penicillin or erythromycin is prescribed.】已经是在假设新药用的情况下了
正确的是因果：
因：病人常常只吃3天药，而阿莫西林要7天发回作用，而新药3天就能发挥作用
果：新药refection比旧药少
很棒的解释！
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