Math part ***25 questions, 3 points for each question and 75 points for * * *. There are two main forms of investigation, both of which are multiple-choice forms.

(1) problem solving: 15 channel, * * 45 points, one of the five options is correct. (2) Conditional sufficiency judgment: 10 channel, * * 30 points. After analysis and reasoning, one of the five options is correct.