随着课堂教学改革的不断深化,以“先学后教,以学定教,前置学习”为指导思想的生本课堂已应运而生,它重新规划了教师和学生的课堂分工,构建了耳目一新的课堂教学模式。前置性学习,是生本教育理念的一个重要表现形式,生本教育下的前置性学习不同于以往的“预习”。传统的预习没有明确的目标,也没有有效的指导,甚至有时简单定格为收集资料。作业布置都是学生巩固知识,提高能力的重要环节,是教师检查教学效果,改进教学的重要依据。生本教 With the continuous deepening of classroom teaching reform, a student-centered classroom based on the guiding ideology of “learning from teaching, learning from teaching, and learning through advance learning” has come into being. It has rescheduled classroom division of teachers and students, Constructed a refreshing classroom teaching model. Prepositive learning is an important manifestation of the concept of student-centered education, and pre-learning under the student-centered education is different from the previous pre-study. The traditional preview has no clear goal, there is no effective guidance, and sometimes simply freeze for the collection of information. Homework assignments are an important part of students’ ability to consolidate their knowledge and improve their abilities. It is an important basis for teachers to check the teaching effect and improve teaching. Students teach