一、教学目的 1、本课的教学目的:让学生通过对本课的学习,理解写说明文的三项要求:抓住事物的特征;理清行文的顺序;运用常用的说明事物的方法,学写说明文。二、课文处理在学生通读全文的基础上,教师依次提出三个问题,引导学生讨论,并让学生从中逐一引出相应的结论,进而让学生理解写说明文的 First, the purpose of teaching 1, the purpose of this lesson teaching: to allow students to learn through this lesson, understand the three requirements for writing expository: seize the characteristics of things; sort out the order of writing; use common methods to explain things, learn Write an explanation. Second, the text processing In the students read the full text of the basis, the teacher in turn raised three questions, guide students to discuss, and allow students to draw corresponding conclusions from one by one, and then allow students to understand the written description of