At this time, it can only be like this. Doing real questions should be treated with a research attitude, not for the sake of doing it, but to summarize what each question is taking, which we have no grasp of; Summarize the test sites that are often tested (unchanged for several years) and focus on them; There are two most important points: be familiar with the basic theorem to improve the accuracy and speed of complex calculation, and ignorance is superior; Read and remember formulas and theorems before the exam! Mathematics is not like English. It is not enough to do real problems. Finally, you can choose three or four sets of qualified question practitioners to avoid discomfort in the examination room! Grab it!