由于学生先天素质、教育影响和主观努力程度的不同,同一个班级的学生在学习上存在明显的差异。而教育的理想,是让每一个学生都能够在其原有的基础上得到尽可能充分的发展。这就要求教师要重视学生之间存在的个别差异。教师的教,一定要针对不同差异学生的学,教学要针对不同层次学生的实际,在目标、内容、途径、方法和评价上有所区别；教学过程要为学生创造多种尝试、选择、 Due to the inherent quality of students, the impact of education and the level of subjective effort, there is a clear difference in learning among students in the same class. The ideal of education is to enable every student to develop as fully as possible on the basis of their original teaching. This requires that teachers should pay attention to the individual differences between students. The teaching of teachers must be aimed at students with different differences in learning. The teaching should be aimed at the actual students at different levels with different goals, contents, approaches, methods and evaluations. The teaching process should create various attempts, choices,