一、精心设计,灵活多样课本上的习题(除思考题和选做题外),对部分学习有困难的学生,应加强个别辅导,降低要求,可设置坡度小的基础题;对于中等生除练习一些基础知识的习题外,还考虑少量的发展题;对于优生,则可以设一些坡度大,富有思考性的习题。第一层:标准题。属于基础性题目,按课程标准的统一要求,学生必须人人掌握,题型与课堂例题基本相似。第二层:变式题。在标准题的基础上有所发展有所变化,不只是对课堂 First, well-designed, flexible and diverse textbooks Exercises (except questions and choose to do), for some students who have difficulties, we should strengthen the individual counseling, reduce the requirements, you can set a small slope of the basic questions; for secondary students Exercises some basic knowledge exercises, but also consider a small amount of development problems; for eugenics, you can set up some steep, full of thought-provoking exercises. The first floor: standard questions. Belonging to the basic topics, according to the unified requirements of the standard curriculum, students must be mastered, questions and classroom examples are basically similar. The second floor: Variant questions. Some changes have taken place on the basis of the standard questions, not just in the classroom