第6题: [单项选择]患者男，3个月前开始出现上腹部不适，食欲缺乏。1个月来出现黄疸进行性加重，伴体重减轻，全身明显黄染，肝未触及，深吸气时可触及肿大的胆囊底部，不伴触痛。化验：血胆红素15mg/dl，尿检：胆红素阳性。以下诊断中最可能的是（） A. 肝炎 B. 胆石症 C. 胰头癌 D. 慢性胰腺炎 E. 肝癌 参考答案:C 答案解析:胰腺癌起病隐匿，首发症状为上腹痛、饱胀不适和黄疸。由于癌的部位不同，差异较大。胰头癌因压迫胆总管及十二指肠，大多数患者表现为无痛性梗阻性黄疸，并进行性加重，大便陶土色，皮肤瘙痒，肝和胆囊肿大。故答案应
第27题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She doesn’t want to describe the exhibit. B. She prefers the artists she has studied. C. She hasn’t gone to see the exhibit yet. D. She hopes they will take some of the paintings away. 参考答案:C 答案解析:[听力原文]
M: How did you like the new exhibit at the art gallery
W: I still haven’t been able to tak
