Mathematics: Elective courses 2- 1, 2-2, 2-3. (4-5 is also tested, but it is very simple, that is, absolute inequality. If you don't learn it, you will, and our school won't talk about it. )

Chemistry: Yantai is the base of organic chemistry, and there are few others.

Physics: Elective courses 3-3 (which are commonly used by universities) and 3-4 (not necessarily, this year's college entrance examination was changed to 3-choice 1, so we also talked about it just in case.

Biology: Biotechnology practice or modern biotechnology topics vary from school to school.