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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?
A. Some of the people who are allergic to penicillin are likely to be allergic to the new antibiotic.
B. A course of treatment with the new antibiotic costs about the same as a course of treatment with either penicillin or erythromycin.
C. The new antibiotic has been shown to be effective in eradicating bacterial infections other than strep.
D. Some physicians have already begun to prescribe the new antibiotic instead of penicillin or erythromycin for the treatment of some strep infections.
E. Regardless of whether they take a traditional antibiotic or the new one, most patients feel fully recovered after taking the drug for three days.
这题目个人感觉还是挺简单的...
原题:因果推理,因为新药只要3天治疗期而旧药要7天,所以新药的再感染case要比旧药少
问加强,选项ABCD都没涉及新药和旧药的治疗期差别与感染的关系,E其实是说明了旧药的再感染原因,是解释了原因的一个特点(旧药虽然7天但是3天就感觉好了所以会再感染)从而使得结论的可信度增加。
因为ABCD都没涉及因果关系内容,所以其实比较简单
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