由于中等职业学校的学生文化基础比较差,学生对许多原理性知识的掌握能力也比较弱,而国家教育部门对中职学校的教材深度和难度的要求也比较低。分析近几年新 Due to the relatively poor cultural foundation of students in secondary vocational schools, students’ mastery of many of the theoretical knowledge is also relatively weak. However, the requirements of the state education department on the depth and difficulty of teaching materials of secondary vocational schools are also relatively low. Analysis of the new in recent years