第13题:[单选题]患者女性,56岁,有慢性胃病史多年,伴消化不良,12年前曾行胆囊切除术。入院前2日寒战、高热、右上腹持续性疼痛,伴巩膜轻度黄染。入院时患者神志淡漠,T39.1℃,P98次/分钟,R24次/分钟,BP80/50mmHg;体检:右上腹轻压痛,肌卫(+);血常规WBC16×10 9/L,中性粒细胞比例0.85,B超示胆总管结石。 该病的常见梗阻原因是 A. 胆道先天性畸形 B. 胆道炎性狭窄 C. 胰头癌 D. 胆道结石 E. 胆管癌 参考答案:D
第23题: [单项选择]How often have you queued for ______ seems like hours at the booking office before you can get a train ticket A. what B. which C. that D. when 参考答案:A 答案解析:what此处是关系代词,引导名词性从句作介词宾语,for what seems like hours意为:for a long time。全句的意思是:“你在售票处前排了似乎好几个小时才买到火车票,这