第16题: [单项选择]Who gave a talk at the meeting A. A famous writer. B. A famous scientist. C. A famous doctor. 参考答案:B 答案解析:[听力原文] W: Did you go to the meeting yesterday M: Yes, I did. A famous scientist gave a talk a
第33题: [单项选择]波动性黄疸伴肝及胆囊肿大,无疼痛感者,B超示肝内外胆管扩张,最可能的诊断为( ) A. 肝癌 B. 黄疸性肝炎 C. 壶腹周围肿瘤 D. 胆道蛔虫病 E. 胆总管囊肿 参考答案:C 答案解析:[解析] 壶腹周围肿瘤当发生部分坏死脱落时,胆道梗阻可稍缓解,致黄疸呈波动性,而胆道蛔虫病多有右上腹的绞痛。