网关包括()和()两大类。
参考答案:信令网关;媒体网关
_____ the right decisions _____ the future is probably the most important thing we'll ever do in our lives. [ ]
A. Making; concerned
B. Make; concerning
C. To make; concerned
D. Making; concerning
补充血容量是抗休克的根本措施,应首选()
A.全血
B.血浆
C.等渗盐水,平衡盐溶液
D.右旋糖酐
E.10%葡萄糖溶液