课件链接：https://apphd9dlrqj4114.xet-pc.citv.cn/detail/l_6773a734e4b0694c951ee64e/4?app_id=apphd9dlrqj4114&available=true&entry=2&entry_type=2002&pro_id=p_67720c96e4b0694c3c836185&scene=%E5%88%86%E4%BA%AB&share_scene=1&share_type=5&share_user_id=u_63ad253242fbc_kH0y4MW2Lh&type=6&liveType=previous%3Ftype&from=p_67720c96e4b0694c3c836185&fromH5=true

视频链接：https://apphd9dlrqj4114.xet-pc.citv.cn/detail/l_6773a734e4b0694c951ee64e/4?app_id=apphd9dlrqj4114&available=true&entry=2&entry_type=2002&pro_id=p_67720c96e4b0694c3c836185&scene=%E5%88%86%E4%BA%AB&share_scene=1&share_type=5&share_user_id=u_63ad253242fbc_kH0y4MW2Lh&type=6&liveType=previous%3Ftype&from=p_67720c96e4b0694c3c836185&fromH5=true