苏霍姆林斯基说:“如果老师不想办法使学生产生情绪高昂的智力振奋的内心状态,就急于传授知识,那么这种知识只能使人产生冷漠的态度,而给不动感情的脑力劳动带来疲劳。”实践证明,积极的思维活动是课堂教学成功的关键。课堂导入是课堂教学的主要环节之一,一堂课导入的成与败直接影响着整堂课的效果。因此,在平时的教学中,教师要把学生的学习兴趣作为智慧的触发点、才能的生长点、求知的驱动力,力求每节课都根据教材内容和学生实 Suhomlinski said: “If a teacher does not want to have a way to make a student have an emotional state of mind, he or she is eager to impart knowledge, then this knowledge can only make people indifferent, Mental fatigue. ”Practice has proved that positive thinking activity is the key to classroom teaching success. The introduction of the classroom is one of the main aspects of classroom teaching. The success or failure of a lesson leads directly to the effect of the entire lesson. Therefore, in normal teaching, teachers should take students’ interest in learning as the trigger point of wisdom, the growth point of ability, the driving force of knowledge, and strive every lesson based on the content of teaching materials and students