在多媒体网络教室中，采用课程的成套计算机课件及计算机管理教学（CMI）系统软件，能够提供个别指导、操练与练习、以及联机测试、为个别学生分配学习任务、监测每个学生的学习进程，为教师提供学习情况分析数据。
工程量清单计价中的综合单价不包括（）。 ["人工费","材料费","措施费","机械费"]
Refer to the exhibit. Which three statements accurately describe this GLBP topology？（） ["Router A is responsible for answering ARP requests sent to the virtual IP address","If Router A becomes unavailable， Router B will forward packets sent to the virtual MAC address ofRouter A","If another router were added to this GLBP group， there would be two backup AVGs","Router B is in GLBP listen state","Router A alternately responds to ARP requests with different virtual MAC addresses","Router B will transition from blocking state to forwarding state when it becomes the AVG"]
Which two of these Metro Internet services map to E-LAN services that are defined by the MEF?（） [" Ethernet Private Line"," Ethernet Wire Service"," Ethernet Relay Service"," Ethernet Multipoint Service"," Ethernet Relay Multipoint Service"]
当事人对行政机关拟作出的哪些行政处罚，有要求听证的权利？
人才流失
