物理课本是学习物理知识的重要依据，应认真阅读．现行初中物理课本生动活泼、图文并茂，既有现象的描述，又有对现象的分析、概括；有定量的计算，也要动手做实验；既有文字“语言”，又有数学“语言”（公式和图像），还有图画“语言”（插图、照片）．在阅读时要有明确目的 Physics textbooks are an important basis for learning physics and should be read carefully. The current junior middle school physics textbooks are lively, illustrated, with both the description of phenomena and the analysis and generalization of phenomena; there are quantitative calculations, but also hands-on experiments; both text “language” and mathematical “language” (formula And images), as well as the picture “language” (illustrations, photos). Have a clear purpose when reading