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一、教学内容分析（一）《长江》一课是初中地理第三册的内容，本节教材是在学生了解我国内流湖泊概况的基础上，讲述我国最大的河流——长江的水文特征及其综合开发利用，重点是长江的基本概况和水文特征，难点是主要水文特征及成因。为达到化繁为简，化难为易的目的，本文采
I. Analysis of Teaching Content (1) The “Yangtze River” lesson is the content of the third volume of junior middle school geography. This section of the teaching material is based on the students’ understanding of the general situation of China’s inflowing lakes and describes the hydrological characteristics of the Yangtze River, the largest river in China. Its comprehensive development and utilization focus on the basic profile and hydrological characteristics of the Yangtze River, the main difficulty is the main hydrological features and causes. To achieve the goal of simplifying and simplifying and simplifying