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gre argument 51 The following appeared in a medical newsletter. Doctors have long suspected that secondary infections may keep some patients from healing quickly after severe muscle strain. This hypothesis has now been proved by preliminary results of a study of two groups of patients. The first group of patients, all being treated for muscle injuries by Dr. Newland, a doctor who specializes in sports medicine, took antibiotics regularly throughout their treatment. Their recuperation time was on average, 40 percent quicker than typically expected. Patients in the second group, all being treated by Dr. Alton, a general physician, were given sugar pills, although the patients believed they were taking antibiotics. Their average recuperation time was not significantly reduced. Therefore, all patients who are diagnosed with muscle strain would be well advised to take antibiotics as part of their treatment. 1.作者忽视了两组病人的差别 2.比较受限而且忽视负面影响 In this argument, the author recommends that all patients who are diagnosed with muscle strain would be well advised to take antibiotics as part of their treatment. To support this recommendation, the arguer gives an evidence that is based on a comparison relevant to the efficiency of different treatments between two groups. One of them was treated along with antibiotics leading to spending much few time than another group which were provided with sugar pills. In first glance, the conclusion may enjoy rational aspects, it suffers from several logical problems. | 
