[问答题] 简述教育信息化的内容。

人为因素引起的火灾主要表现在（）。 ["用火不慎引起火灾","不安全吸烟引起火灾","人为纵火","机械撞击损坏线路导致漏电起火","使用电加热装置时，不慎放入高温时易爆物品导致爆炸起火"] 什么是保本点？进行保本分析的意义是什么？ 具有创造力的个人具有内在动机，此动机使其面对问题时会从不同的角度思考，并链接可得的知识与技能，用前所未有的方式呈现其思考并谋求解决问题的新方法。 Which two are characteristics of RSVP?（） [" RSVP itself provides bandwidth and delay guarantees."," For RSVP to be end-to-end, all devices must support RSVP."," RSVP reservations are maintained by a centralized reservations server."," An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations."] 土地退化 简述教育信息化的内容。