最近听了一场《咬文嚼字》公开课,该课大量运用拓展教学,引起较大反响。叫好者有之,否定者亦有之。笔者以此课为例,从选文定位的角度对拓展教学进行一些分析。为了更好地说明问题,现将课例综述如下:一、导入教师以曾国藩将奏章中的“屡战屡败”改为 Recently, I heard a public lecture on “Criticizing Words and Writings.” This class has used a large number of teaching extensions, which has caused great repercussions. There are also good people and negative people. The author takes this lesson as an example, and analyzes the expansion of teaching from the perspective of the location of the selected text. In order to better illustrate the problems, the lesson examples are summarized as follows: First, the import teacher changed Zeng Guofan’s “fighting and defeating repeatedly” in the memorabilia.