第3题: [单项选择]Questions 19~21 are based on the following conversation.What kind of person is Tom supposed to be A. Warm-hearted but careless. B. Curious and mischievous. C. Helpful and tricky. D. Prudent but cautious. 参考答案:A
第4题: [单项选择]男性病人,75岁,突发左下肢冷、痛、麻木8小时。有心房纤维颤动史。体检:左小腿中下1/3以下皮温明显降低,足部发绀,患肢无肿胀。双侧股动脉搏动可扪及,左侧腘动脉、足背动脉、胫后动脉搏动均消失,右胭动脉、足背和胫后动脉搏动好。该病人的初步诊断是() A. 左下肢血栓性闭塞性脉管炎 B. 左下肢静脉血栓形成 C. 左下肢动脉栓塞 D. 左下肢大隐静脉曲张 E. 雷诺综合征 参考答案:C