In fact, as you know, what we ultimately want in college is to exercise our ability, and learning is second. . . Unlike high school, where students study all day, generally speaking, many college students' learning situation is very average. If there is no focus, many people are likely to fail the exam and have to make up the exam. . . Many teachers in universities are masters, associate professors and professors. . . . . If he teaches many students, they will have to make up the exam. . . . Will they lose face? People say that teacher XXX is a professor or something and has taught so many students to make-up exams. . . . Another is that many university teachers also know that universities are not middle schools. They don't have to spend so much time studying, so they also want students to get some exercise opportunities in college. . . . . Therefore, the usual study will not be so tense. . . Students will also be given some key points before the exam. . . . .