课堂教学是一个动态的、随机生成的过程,其间学生表现出来的许多有价值、有创见性的问题与想法是我们无法预料的,而这些无法预料的有价值、有创见的问题往往就是课堂教学的契机,乃至是整节课教学的一个精彩亮点。这就要求我们教师要善于把握教学动态,用心捕捉、及时搜集、有效筛选学习活动中瞬间生成的,有利于学生进一步学习的生动情景和鲜活的课程资源,及时调整或改变预设的计划,遵循学生的学习问题展开教学,使 Classroom teaching is a dynamic and randomly generated process, during which many valuable and creative problems and ideas that students show are unpredictable. These unpredictable valuable and creative problems are often classroom teaching The opportunity, and even an entire section of teaching a brilliant highlight. This requires that our teachers should be good at grasping the dynamics of teaching, intentions capture, timely collection, effective screening of learning activities generated in an instant, is conducive to student learning further vivid scenes and fresh curriculum resources, timely adjustment or change the default plan, Follow the students’ learning problems to start teaching