目前,在中学生物教学中,基本上是以教师为主体的教育结构,学生在学习过程中往往处于被动地位.为了处理好主导与主体、传授知识与能力培养的关系,把重点放到开发学生的智力,培养学生的能力上,使学生真正成为学习的主人,我设计出自学研究、重点讲解、综合训练、总结提高的课堂结构,于1986年春在我执教的两个班进行了实验,取得了初步成效. At present, in middle school biology teaching, it is basically a teacher-centered educational structure, and students are often in a passive position in the learning process.In order to handle the relationship between the leading and the subject and the knowledge and ability training, the emphasis is put on the development of students I trained my students to become masters of learning. I designed self-study, emphasize on explaining, comprehensive training, summarizing and improving classroom structure. In the spring of 1986, I conducted experiments in two classes that I coached, The initial results.