某班课堂:汇报小组发言人:“这是我们组整理的一道易错题。请同学们思考这道题,应该选什么,请说明理由。”生1:我认为应该选A。因为通过目测,三角形甲的高明显比三角形乙的高长。生2:我不同意你的说法。我通过目测,得到的是乙的底要大于甲的底,所以我认为乙的面积大。……这是营市东街小学数学课堂中的一幕,教师在拉开研究序幕之后,渐渐退到旁边,乐观其辩,不时发出会心的微笑。学生们却你争我抢,有理有据地阐述自己的观点,或提出疑问,或释疑 A class classroom: Reporter panel spokesman: “This is a group of our group finishing an easy question. Please students think about this issue, what should be selected, please explain the reasons.” Health 1: I think we should choose A. Because by visual inspection, the triangle A is obviously taller than the triangle B. Health 2: I do not agree with you. I through visual inspection, the end of B is greater than the bottom of A, so I think B large area. ... This is a scene in Yingdong East Street Primary School math classroom. After the prelude to the research, teachers gradually retreated to the side, optimistic debate, from time to time issued a knowing smile. Students are fighting for you, excuse me, excuse me