班级危机管理可大致分成哪几个阶段？
Which statement concerning reserve sources of energy for GMDSS is FALSE（）. ["While the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energy","Both the VHF and MF\/HF installations must be simultaneously supplied","A means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in power","If a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information，a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power"]
在营业时间内，柜员离开岗位是否需要签退？
Windows Server 2003中实现管理的手段有下列哪些？（） ["控制面板","管理控制台","系统工具","Resource Kit等工具"]
结合通气管（）通气立管管径。 ["A.宜等于","B.不宜等于","C.不宜小于","D.不宜大于"]
依据华电集团《电力安全工作规程》（热力和机械部分）在热力、机械和热控设备、系统上进行哪些工作必须使用工作票？
