【教材分析】“只有一个地球”是义务教育课程标准人教版小学六年级语文上册的一篇科学知识说明文。朴实、流畅的语言,严谨的结构,清楚的条理,又饱含深情,是这篇文章的特点。课文通过地球“美丽又渺小”“资源有限”“不能移居”三方面介绍了地球的有关知识,教育我们要精心保护这唯一可以赖以生存的美丽星球。 【Textbook Analysis】 “only one earth ” is a compulsory education curriculum standard PEP sixth grade language on the volume of a scientific knowledge description. Simple, fluent language, rigorous structure, clear rules, but also full of affectionate, is the characteristics of this article. The text introduces the earth’s relevant knowledge through the earth, “beautiful and small”, “limited resources” “can not emigrate,” and educates us to carefully protect the only beautiful planet on which survival can depend.