【单选题】低压断路器的选用应先确定断路器的 ,然后才进行具体的参数的确定。
【单选题】汽车在低速行驶时,下列哪项不是变速箱所处的状态
【判断题】学年学分制是我国大学最主要的教学管理制度。
【判断题】应付票据到期,企业无力承兑时,应转入“应付账款”科目核算。
【单选题】顺便问一句,你能否告诉我一些有关这所大学计算机工程系的情况?
A.
Would you please show me the way to the Computer Department?
B.
In the way, would you tell me something about the Finance Department in this university?
C.
In a way, would you tell me something about the Computer Engineering Department in this university?
D.
By the way, could you tell me something about the Computer Engineering Department in this university?
【简答题】某单位分配到一个地址块 136.23.12./26 。现在需要进一步划分为 4 个一样大的子网。试问: ( 1 )每个子网的网络前缀有多长? ( 2 )每个子网中有多少个地址? ( 3 )每个子网的地址块是多少?