备课是课堂教学的必要保证。课上45分钟的成功靠的是课前的精雕细刻,精心策划。我在备课时注意以下七个环节,收到了较好的教学效果。读:就是认真阅读教材,钻研教材。教材是教学的依据。读教材也是一个学习的过程,切不可走马观花,一目十行。通过认真读,理清每节课的脉络,搞清重点和难点。在熟悉整个教材的基础上,领悟编者的意图, Preparation is the necessary guarantee for classroom teaching. Lesson 45 minutes of success depends on the pre-class carved, carefully planned. I pay attention to the following seven aspects of lesson preparation, received a good teaching effect. Read: that is, carefully read teaching materials, study materials. Teaching material is the basis of teaching. Reading materials is also a learning process, must not be arbitrary, a ten lines. Through careful reading, sort out the context of each lesson, find out the key and difficult. On the basis of being familiar with the whole teaching material, comprehending the editor's intention,