【单选题】当通信子网采用 ( ) 方式时 , 首先需要在通信双方之间建立起逻辑线路 。
【单选题】(14~15-1-A)当通信子网采用( )方式时,不需要首先在通信双方之间建立连接。
【单选题】Who should be blame when talked about food waste, that is, people buy more than they eat and then just toss it out?
A.
people in poorer countries
B.
people in wealthier countries
C.
people in developing countries
D.
people of the third world
【简答题】A.IGMP B.ICMP C.VRRP D.IGRP
【简答题】(Para. 7, Text) Blame for the scandal of this language deficit should be thrust upon our schools, which should be setting high standards of English language proficiency.” 句型提炼:Blame for X should be th...
【简答题】EIGRP、OSPF C、BGP、IGRP、RIP D、PPP、RIP、OSPF、IGRP
【单选题】Today’s vehicles are manufactured by using both ____ and body over frame constructions
【单选题】Who________ for the pollution of our earth?