【单选题】在分组交换网中,为提高可靠性,通常采用()拓扑结构。(网络拓扑结构)
【单选题】有下列说法:(1) 垂直于同一直线的两条直线互相垂直;(2)过一点有且仅有一条直线与已知直线平行;(3) 过一点有且仅有一条直线与已知直线垂直;(4) 两条直线被第三条直线所截,同位角相等.(5)三角形的外角大于它的任何一个内角; 其中真命题的个数是( ).
【单选题】在分组交换网中,为提高可靠性,通常采用( )拓扑结构
【判断题】在分组交换网中,为提高可靠性,通常采用总线型拓扑结构。( )
【单选题】It was in the hotel _______ I stayed yesterday _______ the accident happened.
【单选题】在分组交换网中,为提高可靠性,通常采用()拓扑结构
【单选题】It was in the hotel I stayed last week the girl was killed.
【单选题】—Where did you meet her for the first time? —It was in the hotel ________ I was staying. [ ]
【单选题】____________工具窗口默认位于Android Studio集成开发环境的下方,用于显示项目构建、运行调试的过程和结果状态。
【单选题】— Where did you find the key to the car? — It was in the hotel __________ I stayed. [ ]