课堂教学中,面对来自不同生活环境、不同教育环境、不同性格的学生,总会出现一些意想不到的偶发事件,这就要求教师要具有教育机智,以灵活的措施,处理好课堂偶发事件。《卵石的形成》一课,教材中有个问题：海滩上的卵石是怎样形成的?教学时,我这样提出来：“老师去年到连云港旅游,因为我太想去 In the classroom teaching, some students who come from different living environments, different educational environments and different personalities will always have unexpected accidents. This requires that teachers should have the educational tact and flexible measures to handle the occasional events in the classroom. “Pebble formation” a lesson, there is a problem in the textbook: beach pebble is formed? Teaching, I put it this way: "The teacher last year to Lianyungang travel, because I too want to go