In fact, it is not difficult to get a high number. Before the exam, the teacher will give you a series of lectures. At this time, you should pay attention to understand all the questions asked by the teacher, and there will be no problem in the exam ... If you take the postgraduate entrance examination, I suggest you review in the senior year, because it is much more cost-effective to review in the senior year than you spend a lot of time reviewing in advance ... The high number (below) is more difficult to understand, and you only know how to solve some questions, and you don't need to know how to push them out. ...