file:27 电磁继电器的构造及作用.flv file:26 电磁铁及影响电磁铁磁性强弱的因素.flv file:25 电功率的最值问题.flv file:24 电阻的概念，单位及换算、常见物体的电阻.flv file:23 等效电路图画法.flv file:20 探究串并联电路的电压的特点.flv file:19 电压表的测量对象.flv

file:课程说明-试讲提升班-中学地理.txt file:华图教师资格证面试-试讲提升班-中学地理-9.mkv file:华图资格证面试-初中地理试讲+答辩-史晓瑞-6.mkv file:资格证统考面试-初中地理试讲教学案例-李新广.mkv file:中公资格证面试-初中地理试讲示范讲义.pdf