The traditional treatment of step 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 these drugs are prescirbed. A new antibiotic require only a three-day course of treatment. Therefore, reinfection will probably be less common in cases where the new antibiotic is prescibed than in cases where either penicillin or erythromycin is prescribed. which of the following, if true, most strength the argument? A Some of people who are allergic to penicillin are likely to be allergic to the antibiotic B A course of treatment with the new antibiotic costs about the same as a course of treatment with either penicilline or erythromycin C The new anitibiotic has been shown to be effective in eradicating bacterial infection othe than step D Some physicians have already begun to prescibe the new antibiotic instead of penicillin or erythrimycin 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 ANS: E why? 不管吃新药或是传统的药 大多数的人都会觉得3天後就好了? 这样有支持到结论-新的药可以降低再次感染的机会? --

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