近年来,我国大力推行素质教育,要求将青少年培养成全方面发展的全能型人才。但由于我国人口众多,就业压力大的现实国情,素质教育一直得不到彻底的落实。实行素质教育和提高升学率之间的矛盾越来越尖锐。在高中数学教学阶段,班级的两极分化现象尤为突出,学生成绩的优劣差异明显,为了改 In recent years, China has vigorously promoted quality education and demanded that young people be trained as all-round talents in all aspects of development. However, due to the fact that China has a large population and employment pressure, quality education has not been fully implemented. The contradiction between implementing quality education and increasing enrollment rate has become increasingly acute. In high school mathematics teaching stage, the phenomenon of polarization of the class is particularly prominent, the advantages and disadvantages of student scores significantly different, in order to change