本节课教学主要模式为问题式教学与探索性学习。从简单的问题引入,以三角形全等判定条件为情形,过渡到三角形相似的判定条件的探索。学生按教师所提出的问题进行思考, The main teaching mode of this lesson is problem-based teaching and exploratory learning. From the simple question introduction, judging from the conditions of the triangle congruence, the transition to the judgment condition of the triangle similarity is explored. Students according to the question put forward by teachers to think,