课堂教学偶发事件是指与课堂教学计划、教学目的无关,出乎教师意料突然发生的,直接影响和干扰正常教学秩序的教学事件。信息技术课程是一门实践性很强的课程,对教学设备的依赖性较大,教学中强调培养学生的合作探究能力和动手操作能力,即使教师在课前进行了 Classroom teaching occasional refers to the classroom teaching plan, teaching purposes, beyond the teacher's surprise, a direct impact on and interfere with the teaching order of normal teaching events. Information technology course is a very practical course, more dependent on teaching equipment, teaching emphasis on training students to explore cooperative ability and hands-on ability, even if the teacher before the class