【单选题】On no account can parents always _______ with the children, otherwise they will become more greedy and come up with more unreasonable requests.
【简答题】虚拟设备是通过【】 技术,把独享设备变成能为若干用户共享的设备。
【简答题】虚拟设备是通过SPOOLing技术把( )设备变成能为若干用户共享的设备。
【简答题】虚拟设备是通过虚拟技术把 设备变成能为若干用户 的设备。
【单选题】If the duke has no children, who will the title? [ ]