良好的班主任形象是什么样的？
类囊体
扫除文盲教育的对象是所有不识字或识字少的公民。
A request arrived on your MPLS-vpn-bgp group. Due to a security breach，your customer is experiencing DoS attacks coming from specific subnets （200.0.10.0/24， 200.0.12.0/24）. You have checked all MPLS-EBGP routes being advertised to BHK from other VPN sites and found four subnets listed：200.0.10.0/24，200.0.11.0/24，200.0.12.0/24，200.0.13.0/24. You immediately apply an outbound ACL filter using the appropriate MPLS-EBGP tool： access-list 1 deny 0.0.0.0 255.255.254.255 access-list 1 permit any What happens when you apply this ACL on the MPLS-EBGP connection to BHK？（） ["It blocks all routes.","It blocks the routes 200.0.12.0\/24，200.0.10.0\/24 only.","It blocks the routes 200.0.12.0\/24，200.0.13.0\/24 only.","It blocks the routes 200.0.10.0\/24，200.0.13.0\/24 only.","Nothing happens，no routes are blocked."]
清朝实行“更名田”和“摊丁入亩”，其共同作用是①缓和了阶级矛盾②放松了对农民的人身控制③调整了生产关系④调动了农民的生产积极性（）。 ["①②③","②③④","①③④","①②③④"]
综合实践活动的实施必须遵循哪些原则？
