【案例】《鸟的天堂》(人教国标本第七册)教学片断师:通过预习和讨论,我们已经知道《鸟的天堂》重点是写傍晚静态的大榕树和第二天早晨群鸟活动的景象。那么,开头四个自然段是不是可有可无呢?请大家思考一下。生:这四段不能不要,因为它交代了作者和朋友们出游的时间、地点和所用的交通工具。师:你真善于思考!还有什么理由吗?(学生沉思) [Case] ​​“Bird’s Paradise” (People’s Teaching Book, Volume 7) Teacher: Through the preview and discussion, we already know that Bird’s Paradise focuses on the evening static big banyan tree and the birds’ The scene. So, the first four paragraphs is not optional? Please think about it. Students: These four paragraphs can not but because it accounts for the time, place and means of transport for the authors and friends. Teacher: You are really good at thinking! Is there any reason? (Students ponder)