疼痛性跛行见于（）
A.小儿麻痹后遗症
B.股骨头无菌性坏死
C.化脓性髋关节炎
D.暂时性滑膜炎
E.髋关节结核
参考答案：B, D, E
Her classmates insisted that she the school trip to Guiyang. [ ]
A. organized
B. organize
C. would organize
D. had organized
患者男性，50岁。胆汁性腹膜炎。神志不清、烦躁不安、面色苍白、皮肤湿冷、血压85/65mmHg、脉率135次/分。
患者出现上述临床表现的根本原因是()
A．血压下降
B．尿量减少
C．中心静脉压低
D．脉压差变小
E．有效循环血量锐减
