Mathematics, especially number one, is the most difficult and time-consuming. I took the exam this year, and more than 60% of my time was spent on math. I took the exam. If you don't have to take math exams, memorizing English politics will save a lot of time. Choose your favorite school and major. Once you have a goal, you can prepare well for the subjects to be tested in that school. In addition, professional graduate students were set up by the state in response to the financial crisis last year. I don't know if it is good or not.