小学生自觉纪律的形成要经历从外部要求转化为内部需要的过程。一般经历以下几个阶段：（） ["依靠外部教育要求阶段","服从阶段","过渡阶段","把纪律原则变成自觉行动的阶段","内化阶段"]
控制状态标识包括（）。 ["正在生产（绿色）","待检（黄色）","已清洁（绿色）","暂停生产（红色）","正在灭菌（红色）","正在维修（白色）"]
A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme?（） ["255.255.255.0","255.255.255.128","255.255.252.0","255.255.255.224","255.255.255.192","255.255.248.0"]
人是从哪而出的？仍要归于哪？
以下属于工业产品设计的是（） ["书籍装帧设计","建筑设计","城市雕塑设计","服饰设计"]
金融投资
