美国教育家杜威说“:培养孩子最重要的是学习态度,是让他们保持学习的热情。”学生是有生命的,教师是有生命的,教师通过课堂向学生传授知识,因此,课堂必然是生命与生命的对话过程,它也是有生命的。课堂千变万化,要想大力张扬学生富有生命力的个性,拓展其思维的活化,必须做到课堂中的散而不乱,高难度调控。在教学中,课前我们都会根据教材和自己班级的实际情况进 Dewey, an American educator, said: “The most important thing to train children is their attitude toward learning, which is their passion for learning.” "Students are alive, teachers are living, and teachers teach students knowledge through the classroom. Therefore, It must be the process of dialogue between life and life. It is also life-giving. The ever-changing classroom, in order to vigorously promote students full of vitality personality, expand the activation of their thinking, must be scattered in the classroom, chaos, difficult regulation. In teaching, we will be based on teaching materials and the actual situation of their own class