Soft exam is a popular exam, so there are a lot of review materials for soft exam. One of the subjects that I want to take the soft exam, there are not many textbooks. Just choose two or three books, and official tutorials are necessary (official textbooks can be found in official website, such as the specific title and publishing house, which can be bought in bookstores or online); In addition, you can also choose targeted teaching materials, such as classification of test questions, cross talk before exams, etc.

Besides reading books, it is also essential to do problems. Both real and simulated questions can be used over the years, which is helpful for the exam.