任何拓展,都应以教学目标为界,对既有教材进行二次开发进行有效拓展,往往能够延伸课堂,起到很好的效果,使其成为适应课堂教学需要的新目标,而拓展的“度”关键则在教师本身的引导。一、抓住文章背景进行有效拓展语文教材中关于人物和历史故事的课文以及古诗词等都有特定的写作背景,解读文本的时候,了解了相关的背景知识,就容易理解得多。特别是有很多课文是经过编者修改的,也有的是对照古文翻译过来的,在教学时,如果我们能够把文 Any expansion should be based on the teaching objectives for the secondary development of existing materials for effective development, often able to extend the classroom, played a very good effect, making it a new goal to meet the needs of classroom teaching, and expand the “Degree ” key is in the teacher’s own guidance. First, to grasp the background of the article to effectively expand the textbooks on Chinese characters and historical stories and ancient poems have a specific writing background, when reading the text, understand the relevant background knowledge, it is easy to understand much. In particular, many texts have been edited by editors, and others have been translated from classical Chinese. When teaching, if we can translate the text