提供素材练选材心理学告诉我们:通过变式比较可以加深对概念的理解、加速能力的形成。为使儿童懂得选材的意义、基本要求和步骤,我们设计了这样一组材料:1.老师引导小朋友们和我一起玩丢手帕的游戏;2.上课时,老师用猜字谜(午、告、鲜等)的方法让我们学字;3.老师劝我每天都要吃饱早饭; Provide material practice material Psychology tells us: By comparing variants can deepen the understanding of the concept, accelerate the formation of ability. In order to let children know the meaning, basic requirements and steps of material selection, we have designed such a group of materials: 1. The teacher guides the children to play the game of throwing a handkerchief with me; 2. The teacher uses the grammatical puzzle (noon, Fresh, etc.) let us learn the word method; 3. The teacher advised me to eat breakfast every day;