网络操作系统可以提供的管理服务功能主要有______。
A．网络性能分析B．存储管理C．网络状态监控D．包括以上3种
参考答案：C
According to the rules，all drivers ________ this traffic accident are to be taken to the police station to make their statements.
A．sensitive to
B．relevant to
C．accessible to
D．due to
领导说“负责任就会得罪别人”，谈谈你的看法。
