Buy more materials that bother you when you see the questions, prepare a notebook, write down the wrong questions and deficiencies, and read them often. In addition, you should have a good rest, do more exercise, run a few laps in the morning, supplement enough nutrition, put down your mobile phone, computer and miscellaneous books, arrange your time reasonably, and there is no shortcut to get high marks. I know a person who got into two books by doing crazy questions. I believe it is useful for you.