教学分析:《我们的大地妈妈》是人教版《品德与生活》课本二年级下册第二单元“让生活更美好”的第一个主题。我们的地球面临着环境污染严重、资源日益匮乏的境况。本课通过比拟的手法让学生感受到环境污染产生的可怕后果,为学生提供了细心观察、发现研究、想象创造的空间,向孩子们发出呼吁:保护我们的大地妈妈,让我们的家园更美好。培养了学生初步的环境保护意 Teaching Analysis: “Our Mother Earth” is the first theme of the second unit of the second edition of the textbook “Morality and Life” of the PEP Edition “Make Life Better”. Our planet is facing a situation of serious environmental pollution and increasingly scarce resources. This lesson allows students to experience the terrible consequences of environmental pollution and provides students with careful observation and discovery of space for research and imagination to appeal to children to protect our Mother Earth and make our home a better place . Foster students initial environmental protection