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《向沙漠进军》是一篇介绍自然现象的科学说明文,涉及的内容多,行文也较为复杂。怎样确定教学要求?从以往教学的说明文和知识短文来看,学生已学过说明文的三种结构顺序(时间、空间、事理),四种说明方法(举实例、打比方、作对比、引数字),做过说明文语言准确性的练习。于是我从说明文教学的总体出发,依据文后“思考和练习”的提示,确定了《向沙漠进军》的三点教学要求:(1)理清结构,了解本文说明的顺序,解决文后练习二、三题。(2)复习已经学过的抓住特征说明事物的四种方法,重点学习释概念说明法,解决文后练习一。(3)复习“限制和修饰”的知识,理解说明文语言的准确性,解决文后练习四。明确了教学要求后,下一步便是合理地安排教学环节。为了把课上得实一点,活一
“Entering the Desert” is a scientific exposition that introduces natural phenomena and involves more content and more complex language. How to Determine Teaching Requirements? From the previous teaching and knowledge of essays, students have learned the description of the text of the three kinds of structural order (time, space, affairs), four kinds of description (for example, analogy, for contrast, ), Did a description of language accuracy exercises. So I set out from the teaching of teaching in general, based on the post “thinking and practice” tips, to determine the “march to the desert,” the three teaching requirements: (1) to clarify the structure, understand the order described in this article to solve the article practice Two or three questions. (2) Review Have learned four characteristics of things to grasp the characteristics of the four methods, focusing on learning to explain the concept of explanation method to solve the text after the practice one. (3) Review the knowledge of “restrictions and modifications”, understand the accuracy of the explanation language, and solve the textual excercise IV. After clarifying the teaching requirements, the next step is to arrange teaching links reasonably. In order to have a solid lesson, live one