教学过程的心理准备阶段
简述荀子对教师地位、作用、条件的论述。
What are two benefits of using a single OSPF area network design?（） ["it reduces the number of required OSPF neighbor adjacencies","It reduces the types of LSAs that are generated","It is less CPU intensive for routers in the single area","It increases LSA response times.","It removes the need for virtual link"]
包装设计的审美
感知知识的直接途径
感知知识
