教育权与受教育权的共同特点主要表现于：（） ["两者都是教育法所确认和保障的同一主体所享有的利益","两者的来源相同","两者都是教育法所赋予一定主体的一种资格","两者的主体相同"]
在基层材料的结合料中，掺入一定量的（）可降低收缩系数。 ["水泥","石灰","沥青","粉煤灰"]
Refer to the exhibit. For what two reasons has the router loaded its IOS image from the location that is shown? （） ["Router1 has specific boot system command that instruct it to load IOS from TFTP server.","Router1 is acting as a TFTP server for other routers.","Router1 cannot locate a valid IOS image in flash memory.","Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.","Cisco routers will first attempt to load a image from TFTP for management purposes."]
Which two attributes need to match for two switches to become members of the same MST region？（） ["the table of 4096 elements that map the respective VLAN to STP instance number","VTP version","configuration revision number","native VLAN ID"]
无限大介质中弹性平面波纵波波速比弹性杆中平面波纵波波速（）。 ["大","小","相等","无法确定"]
班集体建设的原则是？
