该病人早期心肺复苏原则
A．人工呼吸
B．保持呼吸道通畅
C．胸内心脏挤压
D．静注钙剂
E．体外除颤
参考答案：A,B,C,E
宴会指挥员的职责是什么？
TCP service is obtained by having both the sender and the receiver create end points, which are called
A．network address
B．supernet address
C．socket
D．IP address
