“创设情境、动手操作、自主探究、合作交流”是新一轮课程改革所大力提倡的教学方法,许多教师对这一新的教学理念心领神会,并将之灵活地运用于自己的教学实践,较大限度地活跃了课堂气氛,提高了课堂教学效益,培养了学生的创新能力。但是,纵观平时我听到的教研课、公开课,也有不少教师为了一 “Creating situation, hands-on operation, self-exploration, cooperation and exchange ” is a teaching method advocated vigorously by the new round of curriculum reform. Many teachers take this new teaching idea as a guide and apply it flexibly to their own teaching practice , To a greater extent active classroom atmosphere, improve classroom teaching effectiveness, cultivate students’ innovative ability. However, looking at the usual lesson I heard, open class, there are many teachers for one