In fact, the so-called grand finale is some of the most comprehensive topics. Learn some knowledge points in daily life, and then mix some knowledge points slightly beyond the current level.

Mainly to carefully examine the questions. Generally, there is not only one small item in a big topic, and each small item will be from easy to difficult. First of all, do the first few small questions well. Write as many steps as possible for the following small questions. You can get extra points for general exams and steps.

(* _ _ *) Hee hee ... I am a student, and this is just my personal experience. However, I can get at least half of the scores for every big question.