Three pieces of chalk and one piece of chalk are helpful for Gong Ji's online class. Gong Ji has a lot to recite, and it is impossible to review it in a short time simply by memorizing it in his brain. The chalk class is concise and easy to understand, and it can be finished in almost half a month. There are many questions in it, the number of questions is sufficient, the answers are explained in detail, and the question bank is complete. Moreover, it is an exam for "three supports and one support" in Guizhou, which is highly targeted! At the beginning, do a set of real questions, feel your own level and see your own shortcomings, so as to determine the focus of your own practice and follow-up review.