新生儿，左侧完全性唇、腭裂。唇裂修复手术的时机多在() ["A．出生后3～6个月","B．出生后6～12个月","C．出生后12～18个月","D．青春期后","E．成年后"]
路侧护栏的设计条件中考虑的碰撞车辆重为＿t。 ["6","8","10","12"]
新生儿，左侧完全性唇、腭裂。最先实施的手术治疗应该是() ["A．唇裂修复术","B．腭裂修复术","C．牙槽突裂植骨术","D．新生儿正畸","E．颌骨正畸术"]
路侧护栏最小设置长度为＿m。 ["50","60","70","80"]
道路上的安全护栏的布设地点为＿。 ["设于路堤填土高度大于2m的路段","设于路堤填土高度大于3m的路段","设于路堤填土高度大于4m的路段","设于路堤填土高度大于5m的路段"]
全腭裂开()腭垂裂()软腭裂开()部分腭裂，裂开未到切牙孔()
