医德规范是指导医务人员进行医疗活动的
A．技术规程
B．技术标准
C．行为准则
D．思想准则
E．思想和行为准则
参考答案：E
Tom lost his ____ on his way home. So he didn't have any money for taxi. [ ]
A. scarf
B. wallet
C. notebook
D. sunglasses
肠鸣音消失，可见于
A．幽门梗阻B．机械性肠梗阻C．严重脱水D．急性胃肠道穿孔E．结核性腹膜炎
