The knowledge of super power grid is very detailed and helpful.
It's detailed, but it's messy. They will complicate the simple things.
The difficulty of the exam lies in its large number of questions, and it is not like rote memorization in junior and senior high schools to get good grades. The purpose of online courses is to learn problem-solving skills from lecturers, improve the speed of doing problems and get the most scores. As far as I know, the online course with a score of 100 is a relatively cheap and affordable online course, and the grading effect is good, but if you want to get a high score, you have to learn to summarize it yourself. Super Education is an educational institution that provides question banks and live courses, focuses on teacher recruitment, civil servants, examinations of public institutions and other fields, gathers famous teachers in the industry, and does a good job in courses.