在中学文科教学中 ,要讲清重要概念的内涵和外延 ,适时介绍定义、划分等明确概念的逻辑方法 ,注意区分容易混淆的概念 ;认真分析不同类型的判断表达的知识要点 ,剖析不恰当的判断 ;引导学生把推理从课文中剥离出来 ,把握课文的论证结构和论证方法“,”During the liberal arts teaching in middle school, we should expound intension and extension of the important concept to students. Use logical ways on proper time to make the concept clear, for instance, by defining, by differentiating, and so on. Pay more attention to easy-blurred concept. Examine the main points contained by different kinds of judgments. Analyze the improper judgment. Instruct students to derive the inference from the text and grasp the structure and ways of demonstration.