下列哪项疾病不适合行胆囊切除术:
A.胆囊结石
B.十二指肠溃疡
C.胆石症
D.胆道蛔虫症
E.化脓性胆管炎
参考答案:B
Shanghai Expo has been building an Expo Village for the participants, but other choices will also be ____ if the Expo Village does not satisfy their needs.
A.accessible
B.available
C.affordable
D.approvable
小儿初次感染结核分枝杆菌4~8周后,关于免疫与变态反应的概念,错误的是
A.4~8周后产生迟发型变态反应
B.4~8固后获得一定的免疫力
C.免疫与变态反应均属细胞免疫
D.免疫为体液免疫,变态反应属细胞免疫
E.免疫及变态反应同时存在