甲乙肝联合疫苗的接种剂量为（）ml
A.0.1
B.0.5
C.1
D.3
参考答案：C
闭式胸膜腔引流错误的护理是
A．血压平稳后取半卧位
B．鼓励病人咳嗽与深呼吸
C．水封瓶液面高于引流管胸腔出口平面60～80cm
D．严格无菌操作
E．保持管道密封
—The classroom isn’t _______. Will you please tune on the light? —Sure.
A．enough bright
B．brightly enough
C．enough brightly
D．bright enough
