第16题: [单项选择]女性,50岁,反复低热1年,伴四肢大小关节肿痛。WBC 8.0×109/L, Hb100g/L,ANA(-),RF(+)。经多种抗生素正规治疗无效,可能的诊断是 A. 风湿性关节炎 B. 系统性红斑狼疮 C. 骨关节炎 D. 类风湿关节炎 E. 结核菌感染引起的关节炎 参考答案:D 答案解析:该中年女性病人患病1年,病变累及;四肢大、小关节,RF(+), ANA(-),抗生素治疗无效,所以应考虑为类风湿关节炎。
第35题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She is talking on the train. B. She is looking at a time table. C. She is looking for a map. D. She is taking a picture. 参考答案:B 答案解析:[听力原文]
W: I can’t find the arrival times for the New York to Boston trains on this schedule.
M: Lo