人教版第五册第二单元的四篇课文分别记叙了列宁、高尔基、李四光、宋庆龄四位名人的小故事,以大篇幅的对话描写推进情节发展,表现人物不凡的品质,是本单元课文最显著的语言特色。因此,这个单元既是分角色朗读训练的好范本,也是让学生认识四种对话描写形式的好例子。教材的编排别具匠心,各有侧重: The four texts of the second unit of the fifth edition of the PEP teach the narratives of the four celebrities such as Lenin, Gorky, Li Siguang and Soong Ching Ling respectively. They promote the development of the plot in large-scale dialogues and demonstrate the extraordinary quality of the characters. The most significant language features. Therefore, this unit is not only a good example of role-based reading aloud training, but also a good example of how students should understand the four forms of dialogues. Textbook layout ingenuity, each has its own focus: