No matter what institution you go to for training, you need to make efforts to review yourself. You can choose to go to work online or you can choose to get off work online. To prepare for the examination of public institutions, you need to learn the contents of many subjects, and your memory is very large. It's not enough to listen to a class once, it needs to be memorized repeatedly. In addition, we should brush more questions and add more knowledge points, especially common sense and science and technology humanities. Now, those who are well trained in this field are Zhonggong, Tuhua and chalk.