《只有一个地球》是人教版六年制小学语文第十册的一篇课文。这是一篇逻辑严谨、条理清晰、通俗易懂的有关环境保护方面的说明文。鉴于这个单元的训练重点（按顺序写作的方法），对于前几个单元的训练重点（理清课文条理、编写作文提纲、注意事物之间的联系）来说，既是回... “Only one Earth” is a text in the Tenth PEP of the PEP for six-year primary schools. This is a logical, well-structured, easy-to-understand description of environmental protection. In view of the focus of this unit training (in order to write the method), for the first few units of training focus (clear text, write essay outline, pay attention to the connection between things), both back ...