新课程理念指导下编写的教材设计了学生喜闻乐见的生活情境和活动情境——主题图,用以激发学生学习的兴趣与主动探究的欲望。然而,用“主题图”以“场景”的形式来呈现学习素材,虽然富有儿童情趣和丰富的现实意义,有利于调动学生已有的认知经验,但其丰富的内 The teaching materials written under the guidance of the new curriculum concept have designed the life situations and activity situations loved by students - thematic maps to stimulate students’ interest in learning and the desire to explore actively. However, using “thematic map” to present the learning materials in the form of “scene”, although rich in children’s interest and rich practical significance, is conducive to mobilizing the students’ existing cognitive experience, its rich internal