一套合格的试题应该具有较高的效度、相当的信度、适当的难度、必要的区分度。有效地考查学生的知识、能力、技能、潜能和综合素质,充分发挥考试评价的测评功能、选拔功能、发展功能、导向功能。试题既要重视了对学生数学思考能力、问题解决能力等方面发展状况的评价,也要重视学生数学认识水平和数学思想方法的把握评价。试题还应坚持以人为本,面向全体考生,做到客观、公正、全面、准确地评价学生一段 A set of qualified questions should have a high degree of validity, considerable reliability, appropriate difficulty, the necessary degree of differentiation. Effectively examine the students’ knowledge, abilities, skills, potential and overall quality, give full play to the test evaluation evaluation, selection, development, orientation. The test questions should not only attach importance to the assessment of students ’mathematical thinking ability and problem solving ability, but also attach importance to students’ understanding of mathematics and mathematical thinking and evaluation methods. Questions should also adhere to the people-oriented, for all candidates, to be objective, fair, comprehensive, accurate assessment of the student section