我们知道 ,实施素质教育、培养学生的创新精神和实践能力 ,关键是创设有利于学生自主探究的学习情境 .教师作为学生学习、探索的组织者、引导者、合作者 ,要积极创设富有挑战性的探究情境 ,全心身地投入到学生学习、探究的活动中去 .与学生一起探究 ,共同遭遇困惑 ,寻求突破 , We know that the key to implementing quality education and cultivating students’ innovative spirit and practical ability is to create learning situations that are conducive to student self-inquiry. Teachers, as organizers, guides, and collaborators of student learning and exploration, must actively create challenging tasks. The situation of inquiry, devoted himself wholeheartedly to the activities of student learning and inquiry. He explored with the students, encountered confusion, and sought breakthroughs.