Public education in China:
Founded in 1999, the class records and broadcasts, and the real questions are in the form of test papers.
Zhonggong started as a civil servant and later recruited teachers.
The content of teacher qualification certificate is detailed, authoritative and basic for teachers. 90% of the books circulating in the market are Chinese public education. Moreover, many normal schools basically take classes according to the books of Chinese public education. As far as the Chinese Academy of Education is concerned, the research and development energy and accuracy are still relatively high.
Chalk:
Founded on 20 12, the class form is live class (which can be played back), and the real questions are in notebook form.
In the chalk live class, teachers can see students' problems in time and solve them; PPT is displayed on the screen, with clear typesetting, and lectures emphasize understanding and classroom memory. There is less time arranged after class, but the course time is a bit long, usually two hours in a class.