In order to understand present usage of reading material in high school ' s physics textbooks . the investigation focuses on grade one 了解高中物理教材中“阅读材料”的使用现状，重点调查了高一物理“阅读材料”的使用现状。
2.
1 ) the physical textbook of the third grade of junior - middle school has small knowledge - capacity and the criterion of teaching is very low . textbook includes simple mathematical knowledge and many easy experiments . the showing method of textbook is very rich and focus on sensory perception 初三物理教材知识容量小且教学大纲对初三要求低，教材中的数学知识简单、实验多且简单易行，教材呈现方式丰富多彩且注重感性认识；高一物理教材知识容量大且教学大纲对高一要求高，教材中的数学知识的难度偏大、实验少且理论性强，教材的呈现方式较为单一且注重理性认识。
