Your company is researching a new application that runs over IPv6， but part of it must still have IPv4 support. Your company uses a traditional IPv4 network. Your plan is not to run IPv6 over the whole network， but to segment parts of the network or even to operate simultaneously with IPv6 and IPv4. You must make a brief presentation about IPv6 technology to the board of technical directors. Which three of these items could be part of your presentation？（） ["Tunnel IPv6 over IPv4 to connect far-end IPv6 networks.","Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is not possible.","Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is possible.","What is the meaning of EUI-64 and how does it work？","Tunnel IPv4 over IPv6 to connect far-end IPv4 networks."]
消费锁定。
特种设备发生事故后，事故发生单位应当按照应急预案采取措施，组织抢救，防止事故扩大，减少人员伤亡和财产损失，保护事故现场和有关证据，并及时向事故发生地（）以上人民政府负责特种设备安全监督管理的部门和有关部门报告。 ["县级","乡级","市级","省级"]
我们藉这（）的血得蒙救赎，过犯得以赦免，乃是照他（）的恩典。
车队对特日人员管理不当（发生一次，追究部门正职责任），管理人员（）。 ["红线","通报批评","失格","降档"]
什么是跨学科研究，试举例说明。
