辩证唯物主义认为 ,事物发展是不平衡的 ,它们之间总是千差万别的。造成学生学习差距的原因则是多方面的 :学生个人的智力、文化基础、学习动机、情感意志、毅力行为、家庭环境、学习环境等诸多因素 ,都是产生差异的条件。正因为如此 ,在同一个班级里 ,在同一个教师的指导下 , Dialectical materialism believes that things are not balanced and they are always different. The causes of student learning gaps are manifold: students’ individual intelligence, cultural foundation, learning motivation, emotional will, perseverance, family environment, and learning environment are all factors that create differences. Because of this, in the same class, under the guidance of the same teacher,