题型：名词解释 The conference came to ____ end at 11:00 last night, but we all think it was ____ failure. [ ]A. the; 不填 B. 不填; a C. an; 不填 D. an; a 查看答案
题型：名词解释 男性，73岁，因间歇全程肉眼血尿1周，发作性腰部绞痛入院。排泄性尿路造影示肾盂充盈缺损。下列哪项检查最能明确诊断A．血尿酶B．尿找瘤细胞C．输尿管肾镜＋活检D．膀胱镜见到输尿管喷血E．CT检查 查看答案