High school mathematics elective must learn 2- 1, 2-2, 2-3, and then choose from 4- 1, 4-4, 4-5. Among them, 2-L, 2-2 and 2-3 are required questions, and three of 4- 1, 4-4 and 4-5 are entitled one question. Physics 3- 1, 3-2 is necessary. 3-4, 3-5 is optional. Chemistry elective course 4 is compulsory, elective course 3 and elective course 5 are optional. Selection of biology elective course 1 and elective course 3. Choosing a subject is choosing a topic for the college entrance examination, and learning is necessary.