25 points. The last finale of the senior high school entrance examination in Shenzhen is divided into three small questions, of which 1 is relatively simple, and the latter two questions are somewhat difficult, belonging to a mixed topic of trigonometric functions and straight lines, with a score of * * * accounting for 25 points, which is a comprehensive examination with a relatively large difficulty coefficient. Mathematics in the senior high school entrance examination is optional, and its proposition must be difficult to distinguish the level of students. It involves many knowledge points, is complex in application, and has high requirements for students' thinking ability and mathematical literacy. The types of mathematics test questions in senior high school entrance examination are also diversified, including multiple-choice questions, fill-in-the-blank questions, calculation questions, proof questions, application questions and so on. All these have higher requirements for students' various mathematical skills.