小学阶段的科普类说明文,语言表达多数体现出生动有趣、明白浅易的一面。《最大的“书”》就是一篇科学小故事,本文以人物的对话为主要叙述方式,讲述了自然科学的知识。在地质勘探员的眼里,岩石就是一本耐人寻味的“书”。历史的变迁,大陆的沉浮,都写在这本最大的书里。这样一篇线索明晰、内容生动的科普小故事应该怎样讲授?对于这样的课文,关键是处理好语言文字训练和学习科学知识、激发科学兴趣的关系。教学时要用语文的 Popular science class description of the primary school stage, the majority of language expression reflects lively and interesting, easy to understand the side. The largest book is a scientific anecdote. This article takes the conversations of characters as the main narrative style and tells the knowledge of natural science. In the eyes of geologists, the rock is an intriguing “book.” Historical changes, the ups and downs of the mainland, are written in this largest book. Such a clues clear, vivid science stories should be how to teach? For such texts, the key is to deal with language training and learning the scientific knowledge to stimulate the relationship between the interests of science. Teaching should use the language