The general answers are 16, trigonometric function, 17, probability, mean, distribution table, 18, and the most important thing is to complete three basic questions, 19, which are generally related to real life or the synthesis of three curve equations, 20,2/kloc-0. Fill in the blanks 9, 10, 1 1, 12 are difficult to say. They are multi-system program block diagram operation, complex number, Yang Hui triangle, sometimes filling in the blanks or choosing a probability question. 13, 14,65438+. Multiple choice questions are unpredictable, and the emphasis is different every year. I suggest you be familiar with all kinds of knowledge points. The most important thing is diligence.