第18个GWD那题应该是GWD17-Q23（TN14里面的） Because visual inspection cannot reliably distinguish certain skin discolorations from skin cancers, dermatologists at clinics have needed to perform tests of skin tissue taken from patients. At Westville Hospital, dermatological diagnostic costs were reduced by the purchase of a new imaging machine that diagnoses skin cancer in such cases as reliably as the tissue tests do. Consequently, even though the machine is expensive, a dermatological clinic in Westville is considering buying one to reduce diagnostic costs. Which of the following would it be most useful for the clinic to establish in order to make its decision? A. Whether the visits of patients who require diagnosis of skin discolorations tend to be shorter in duration at the clinic than at the hospital B. Whether the principles on which the machine operates have been known to science for a long time C. Whether the machine at the clinic would get significantly less heavy use than the machine at the hospital does D. Whether in certain cases of skin discoloration, visual inspection is sufficient to make a diagnosis of skin cancer E. Whether hospitals in other parts of the country have purchased such imaging machines 请问楼主逻辑考的是这道么？？同时请问您当时选的答案是啥？？有亲给的答案是A,谢谢~~！ -- by 会员 紫苏0709 (2010/4/29 13:10:24)
MM~这题GWD上给的答案是A哦
clinic要不要换那种设备就要考虑病人对在诊所所要求的时间和在hospital要求的时间医院短咯
因为这题里面提到的两种医治办法，效果是一样的，只是时间的长短不一样 | 
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发表于 2010-5-1 13:56:27
