Which should I choose, chalk or online courses in public institutions? My personal opinion is as follows: Zhonggong is famous, but the online class costs more than 3 thousand, 100 class hours, and the cycle … You can choose chalk, which has the highest cost performance. There are many knowledge points in the examination of public institutions, which are too complicated. After learning the basic knowledge, the most important thing is to brush the questions and digest the knowledge points. Therefore, as long as I explain the knowledge points comprehensively and systematically, there is definitely no problem, and the examinations of public institutions generally do not change much every year. I can buy it for hundreds of dollars and listen to it next year. Personally, I feel good