第20题: [单项选择]男,42岁,多汗、消瘦半年。查体:左颈旁淋巴结肿大似鸡蛋大小,无触痛,肝脾不大。血常规正常。为明确诊断应首先做哪项检查 A. 胸部X线摄片 B. 骨髓活检 C. 淋巴结活检 D. 腹部B超 E. 肝肾功能 参考答案:C 答案解析:淋巴瘤以无痛性进行性淋巴结肿大和局部肿块为其特征性表现。首先做淋巴结活检确定诊断,对于伴有血细胞数量异常、血清碱性磷酸酶增高或有骨骼病变时,可做骨髓活检和涂片寻找R-S细胞或淋巴瘤细胞,了解骨髓受累情
第21题: [单项选择]Questions 19 to 21 are based on the conversation you have just heard. A. Take a bus. B. On foot. C. Take a taxi. D. Take the subway. 参考答案:D 答案解析:[听力原文] How will the woman probably go to the restaurant from the museum