在实际交易中,只有当买者所愿意支付的最高价格( )卖者所愿意接受的最低价格|寸.交易才会成功。
A.高于
B.等于
C.低于
D.不高于
E.不等于
参考答案:A,B
以下哪三类路由协议属于无类别路由协议?()。
A.IS-IS
B.IGRP
C.OSPF
D.EIGRP
It was very hard for me to make a but I decided to leave my job. [ ]
A. suggestion
B. decision
C. plan
D. speech