【判断题】架立钢筋与支座负筋的搭接长度为150mm。
【简答题】[WJ-400-200] 设某单位申请一C类IP地址,193.168.1.0,问:其网络号为多少?IP地址范围为多少?最多有多少个IP地址可分配给主机?若该单位有5个子网,每个子网25台机子,则子网掩码为多少?并论述如何分子网?(要求写出其中5个子网的地址分配表)
【简答题】I fell in love with England because it was quaint (典雅)—all those little houses, looking terribly old-fashioned but nice, like dolls’ houses. I loved the countryside and the pubs, and I loved London. ...
【单选题】Terri: Derrick, don't you think you should take a vacation? Even one or two days would be fine. Derrick:__________ There's too much work.
【判断题】脉冲实验测得某一反应器内的流体质点存在明显的停留时间分布,则可认为该反应器一定存在返混现象。
【单选题】[WJ-400-200]某部门申请到一个A类IP地址,若要分成9个子网,其掩码应为( )。