There are 220 class hours in two subjects in the whole class, which is suitable for students with a certain foundation (classes can be held at any stage in summer vacation, autumn vacation and winter vacation), and there are 280 class hours in two subjects in the small boutique class. Suitable for students with zero foundation, with full-time tutor after class. It is agreed to adopt the teaching method of combining lecture, practice, repetition and evaluation, and ensure that 440 class hours pass the class and the class crosses the line, which is suitable for students with poor foundation but willing to take this course. The above lessons are presented with materials such as textbooks with different values and real problem analysis! !