(北师大实验教材第二册第3单元)设计理念 :以学生为主体 ,给学生充分的自主、合作学习机会 ,通过自读、自悟 ,师生合作 ,生生合作 ,探究交流 ,分享学习快乐。以识字为基点 ,通过反复朗读、描画、勾圈、编儿歌等多种方法培养学生的语感 ,激发学生的感情 ,增强学生保护环境的意识 (Beijing Normal University experimental teaching materials second unit third unit) Design philosophy: students as the main body, to students full of opportunities for independent, cooperative learning, through self-read, self-awareness, cooperation between students and students, to explore exchanges and share learning happy. To literacy as the starting point, through repeated reading, drawing, hook circle, compilation of children's songs and other methods to develop students' sense of language, stimulate students' feelings and enhance students' awareness of environmental protection