众所周知,备课是教学的准备环节,是教学的重要行为之一,是教师上好课的关键,它在很大程度上决定着教学的成败。只有备课有效,教学才能高效。人教版小学语文教材,基本上是以文本内容为主题组织单元编排的,因此,我们备课时,必须充分发挥单元教材的整体功能,以单元主 As we all know, lesson preparation is the preparation of teaching is one of the important acts of teaching is the key to good teachers, which largely determines the success of teaching. Only prepare lessons effectively, teaching can be efficient. PEP primary language teaching materials, is basically based on the content of the text organized by the organizational unit, therefore, we prepare lessons, we must give full play to the overall function of unit teaching materials to cell owners