如何从教课文、教内容转向借助课文学语言、学方法,把课文内容转化为课程内容,从而实现阅读教学“轻负高效”?笔者以人教版二年级下册《29数星星的孩子》为例,展示如何依托文本,凸显学段特点,落实句子教学。【文本解读】本文主要写张衡小时候喜欢数星星,长大后成了著名的天文学家。通过他数星星的动作,他与奶奶的对话以及爷爷的话,让我们感受到他勤于观察、乐于探究的科学精神。文本的语言特色:长句子多。所以,笔者把教学内容选定为聚焦长句子,学习把句子写 How to teach from the text, teaching content with the aid of class language, learning methods, the content of the text into the course content, in order to achieve reading teaching “Light Negative Efficiency”? For example, show how to rely on the text, highlight the characteristics of the session, the implementation of sentence teaching. [Text Reading] This article mainly write Zhang Heng childhood like a few stars, grew up became a famous astronomer. Through his actions of several stars, his dialogue with Grandma and his grandfather’s words made us feel his scientific spirit of daring to observe and be willing to explore. Text language features: long sentences and more. Therefore, I selected the teaching content to focus on long sentences, learn to write sentences