单项选择题
A.50~100ml B.100~150ml C.150~200ml D.200~250ml E.250~300ml
A.5%~10% B.10%~15% C.15%~20% D.20%~25% E.25%~30%
A.胃动力药物 B.消食药物 C.胃肠减压 D.催吐疗法 E.导泻疗法