对于形成杂质缺陷而言，低价正离子占据高价正离子位置时，该位置带有负电荷，为了保持电中性，会产生（）。 ["负离子空位","间隙正离子","间隙负离子","A或B"]
教师的（）是课程改革与发展的内在动力。 ["教育思想观念","专业才能","专业精神","专业人格"]
计算机隐喻
A network administrator is explaining VTP configuration to a new technician. What should the network administrator tell the new technician about VTP configuration?（） [" A switch in the VTP client mode cannot update its local VLAN database."," A trunk link must be configured between the switches to forward VTP updates."," A switch in the VTP server mode can update a switch in the VTP transparent mode."," A switch in the VTP transparent mode will forward updates that it receives to other switches."," A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP revision number."," A switch in the VTP server mode will update switches in the VTP client mode regardless of the configured VTP domain membership."]
《中华人民共和国义务教育法》中，关于“适龄儿童、少年的父母或者其他法定监护人应当依法保证其按时入学接受并完成义务教育”的规定，属于（）规范。 ["补偿性","义务性","禁止性","授权性"]
领导者
