Zhi Jingying 1500 is very good. Jing Ying, a teacher of chemical wisdom, a famous chemistry teacher in the college entrance examination, an expert in teaching and research in the college entrance examination, and a well-known education blogger in Sina. Engaged in online and offline high schools for many years, and trained many outstanding students. Teacher zhi jingying, a famous chemistry teacher in the college entrance examination, an expert in teaching and research in the college entrance examination, and a blogger of Sina education. In-service teachers in key senior high schools in the former city have scored 5 students 150 in mathematics in the college entrance examination during their 9-year teaching experience.