第15题: [单项选择]有关军团菌肺炎论述,不包括() A. 病原菌为革兰染色阴性的嗜肺军团杆菌 B. X线显示片状肺泡浸润,继而肺实变 C. 确定诊断主要依赖抗体的测定 D. 治疗可以选择红霉素或左旋氧氟沙星 E. 容易出现肺脓肿 参考答案:C 答案解析:抗体检测属血清学检查范畴,存在大多的假阳性率,1次军团菌感染后抗体升高可持续数月或数年,单次抗体升高不能区别既往或是现在正在感染,血清学诊断多用于回顾性诊断及流行病学调查。
第25题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard.A) He can’t find his office key. C) He is unable to talk. B) He has misplaced some exams. D) He doesn’t like his classy. 参考答案:C 答案解析:[听力原文]19-22 M: Math Department, Doctor Webster speaking. W: Hello, Prof. Webster, this is Jane