1 China micro-lesson network (micro-lesson competition for primary and secondary schools): week.cn/?

The number of micro-courses is the largest, the subject knowledge is the most complete, and it is free, but the quality is uneven;

2 China Normal University massive open network course network: www.c20.org.cn? The knowledge points of various disciplines in each learning section are basically covered, and registration is required, free of charge, but the quality is uneven;

3 onion mathematics:/? Junior high school geography is free and rich in resources;

5 The teacher came up: /resources/resources _ show. aspx? From grade one to grade nine, micro-video in all subjects is free;

6 Yangzhou micro-lesson network:: 8 1/?

Official website:/

10 minutes net:/