Elective 4-4 Elective 4-5 Elective 4- 1 Elective 2-3, I don't know which province or city you are from. . Some 4-4 4-5 are multiple-choice questions, that is, fill in the blanks 15, choose 1, and some 4- 1 4-4 4-5 are multiple-choice questions, that is, choose one of the last three big questions. Choosing 2-3 is a required test, statistics and algorithms. And the college entrance examination is generally optional and relatively easy. Have a good preview