语文课文教学就程序而言，大体可分为常序式和变序式两类。常序式是按照课文的结构顺序，由句而段，由段而篇地分析讲授；而变序式则一反传统的教学方式，它从课文的重点处入手，打破教材的结构顺序，或从中心辐射扩散，或逆推回环倒转，逐层揭示课文各部分之间的内在联系，引 Language teaching in terms of procedures, generally can be divided into two kinds of regular and variable sequence. The regular sequence is based on the structural order of the text, from sentence to paragraph, from paragraph to chapter analysis and teaching; and the variation is an anti-traditional teaching methods, which start from the focus of the text, breaking the textbook structure order, or Radiation spread from the center, or reverse push loop back, revealing the inner link between the various parts of the text layer by layer