在基础教育课程改革的今天,考试虽不是评价学生的唯一方式,但在某种程度上它依然是检测学生学习能力的一种有效手段,是教学评价的一项重要内容,发挥着不可替代的作用。要考试就要命题,而命题的好坏又与学生息息相关,是一件大事,稍有不慎,就会带来不良的影响。因此,数学命题是一项艰苦细致、严谨周密 Although the examination is not the only way to evaluate students in the reform of basic education curriculum, it is still an effective measure to detect students’ learning ability to some extent. It is an important part of teaching evaluation and plays an irreplaceable role effect. It is necessary to test the proposition, and the quality of the proposition is closely related with the students, is a major event, a little careless, it will bring adverse effects. Therefore, the mathematical proposition is a painstakingly meticulous and rigorous