此时最合适处理是纠正休克的同时给
A．清宫B．催产素静脉滴注C．维生素KD．前列腺素E．升压药
参考答案：A
In most wide area networks, the communication subnet consists of two distinct components：transmission lines and
A． networts
B． switching elements
C． computers
D． data terminal equipment
