众所周知,世界上没有两片完全相同的树叶,也没有完全相同的两个人。每一个学生都是一个特殊的个体,在他们身上既体现着发展的共同性特征,又表现出巨大的个体差异。我们发现,传统的课堂教学中“着眼中间,兼顾两头”的教学策略,不仅未能使学习困难的学生获得帮助,还使优等生失去了学习兴趣。一个班上没有学习能力完全相同的两个学 As we all know, there are not two identical leaves in the world nor two identical people. Each student is a special individual who embodies not only the commonality of development but also the enormous individual differences in them. We found that in the traditional classroom teaching, “focusing on the middle and taking both ends into consideration” teaching strategy not only failed to help students with learning difficulties, but also to the top students lost their interest in learning. A class does not have the same ability to learn two studies