A Comparative Research On Knowledge Content Of Biology Textbook Between The Junior Middle Schools In Chinese's Of PEP And American's Of McGraw

In today's world,science and technology by leaps and bounds,the advent of knowledge-based economy,the increasingly fierce competition in national power.The quality of education determines the comprehensive national power of a country,and all countries in the world attach great importance to the education of the country.School education is the main form of education,teaching material is the main carrier of school education knowledge,is an important resource for students to gain knowledge,a good textbook has important significance for improving the scientific literacy of students.The content of knowledge in the teaching materials will help the students to develop in the future.What kind of knowledge will help the students to develop in the future? This study through text comparative anaysis from the concept of curriculum design,the goal of knowledge,knowledge content standards(Ecology and Genetics)the degree of attention in three aspects of comparison between China and America on the biology curriculum at the national level and hope the students to learn biology curriculum in the knowledge level to achieve the degree;through text comparative analysis from the breadth of knowledge with the depth of knowledge,content arrangement structure,the same concept of different levels of understanding in three aspects Chinese Education Edition and America's Mcgraw Hill Education Group(McGrawHill Education)the difference of knowledge content editor of junior middle school students from ecology and genetics in the textbook;random sampling investigation of Guiyang city 20 primary middle school biology the teacher through the questionnaire survey,to understand the biological level of professional teachers in junior middle school in Guiyang city.The findings of this study,Chinese junior high school biology textbooks in ecology and genetics knowledge exist in the following three aspects:(1)the breadth and depth of knowledge is shallow;(2)the knowledge points are scattered,the logical relationship between knowledge is not strong;(3)the knowledge of new degree is slow.A good textbook should ensure the scientificity and accuracy of knowledge content and knowledge system integrity,based on the junior mid-dle school biological textbooks put forward the following suggestions:(1)selection of knowledge content,increase the depth and breadth of knowledge;(2)follow the students' cognitive rules at the same time,increase the logical relationship knowledge;(3)to update the knowledge content,join the current frontier of science knowledge.The preparation of teaching materials for teachers free textbooks leave a certain space,with a certain degree of flexibility,but for the investigation of Guiyang city 20 outstanding junior high school biology teachers professional level,the current Guiyang city junior middle school biology teachers' professional level is insufficient,so the cultivation of junior high school biology teachers should improve the professional level of teachers in the.