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一、教学过程 教学过程由六项教学活动构成:①青蛙是一种什么样的动物?→②怎样说明青蛙的特点?→③什么动物和青蛙有相似的地方?→④青蛙和蟾蜍属于下列动物中的某一类吗?→⑤青蛙和蟾蜍有哪些它们特有的特点?→⑥蜻蜓是两栖动物吗?最开始的试教中我忽视了第②个问题,总觉得要说明青蛙的特点必须通过比较后得出,好像与第⑤个问题重复了。于是,我舍去了这个环节,结果教学失败了。由于少了第②个环节,学生没有从整体上去认识青蛙这种动物的特点,最终在进行第⑤个问题的研讨时仍然停留在青蛙零碎的个体特点的认识上,难以形成“两
First, the teaching process Teaching process consists of six teaching activities: ① frog is what kind of animal? → ② how to explain the characteristics of the frog? → ③ What animals and frogs have similarities? → ④ frogs and toad belongs to the following animals → ⑤ What are their unique characteristics of frogs and toads? → ⑥ Are dragonflies amphibious? I neglected the first question in the initial teaching, and I always felt that the characteristics of frogs must pass After comparison, it seems that the problem with the first ⑤ repeated. So, I shed this part, the result of teaching failed. Due to the lack of the first two links, the students did not know the characteristics of frogs as a whole, and eventually remained in the understanding of individual characteristics of the frog in the study of the fifth problem, it is difficult to form "two