“哧……”“啊……”伴随着一声紧急刹车,摩托车上的母子俩面对躲闪不及的汽车发出惊恐的、无助的叫喊。随后,画面定格在了躺在医院里的母亲和腿上打了绷带的儿子的身上。“同学们,大家讨论一下,母子俩为什么会这样?他们错在哪里?”在教师们的提醒下,学生们立即对开始的一幕积极发表自己的看法,交流各自 “哧 ...” “Ah ......” With the emergency brake, the mother and son on the motorcycle made frightened and helpless shouts in the face of dodging cars. Subsequently, the picture freeze in the hospital lying in the mother and the legged bandaged son’s body. “Students, we discuss why the mother and the child would be like this? What are they wrong?” In the teacher’s reminder, students immediately positive on the beginning of the scene to express their views and exchange their own