If you are all working, you must have a good foundation. You should read all the books completely. (One undergraduate, just passed two courses in June165438+1October) Basically, the calculation problem is complicated and not difficult; Laws and regulations are just questions, and there is no way to test them. I have rummaged through the standard textbooks, and it is not a big problem to simply do some topics. We, an army of miscellaneous brands, can do it through hard work. You people with work experience should be a piece of cake. The preparation period is about two weeks. It's not full time, so it's a waste of time. It is suggested to try it in March next year, and the effect will be effective for a long time (it seems that the regulations have passed, and the effect has not been retained for two years, in short, the problem is not big). Let's go