《大纲》指出:“理解句子是理解课文的基础,各个年级都应重视培养学生理解句子的能力。”“对于表现中心思想有较大作用的句子,要注意联系课文的有关内容,深入理解。”由此可见,课文中那些对于表现中心思想有较大作用的句子应该是教学的重点。把重点句教好,是优化课堂教学重要的一环。 一、分步实施,逐层深化重点句的训练 The Outline states: “Understanding sentences is the basis for understanding texts, and all grades should attach importance to developing students' abilities to understand sentences.” "For those sentences that have a greater role in expressing the central idea, we should pay attention to the relevant contents of the texts for further understanding. From this it can be seen that the sentences in the text that play a greater role in expressing the central idea should be the focus of teaching. Teaching key words is an important part of optimizing classroom teaching. First, step by step, deepening the emphasis sentence training