【单选题】当通信网采用( )方式时,需要先在通信双方之间建立起逻辑连接。
【简答题】当通信子网中采用( )交换方式时,需要首先在通信双方之间建立起物理链路,当采用( )分组交换方式时,需要首先在通信双方之间建立起逻辑链路
【单选题】农产品市场细分的依据主要有地理因素、人口因素、心理因素和购买行为因素,其中,性格、爱好因素属于()
【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】常用的种子市场细分依据主要有地理因素、()和()三大类
【单选题】农产品市场细分的依据主要有地理因素、人口因素、心理因素和购买行为因素,其中,收入因素属于()
【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