【单选题】He told me to ________, for he wanted to stay for a while all by himself.
【单选题】He decided ______ on Tuesday.
【单选题】虚拟语气 ____today, he would get there by Friday A. Were he to leave B. If he had left C. Did he to leave D. Had he left
【单选题】某企业申请到一个C类网络,想要切割成3个子网,请问子网掩码要设为()。
【单选题】口腔有绿脓杆菌感染的病人应选用的漱口液是:( )
【单选题】试题33 一台主机的IP地址为203.93.12.68,子网掩码为255.255.255.0,如果该主机需要向子网掩码255.255.255.0的202.93.12.0网络进行直接广播,那么它应使用的源IP地址为( )。