在长期的教学实践中,笔者采用信息论的反馈方式检验教学效果,即信息输入—信息加工—信息输出,通过此途径,使学生所学的知识得以巩固和强化。一、质疑答辩,排难解惑在这一教学段中,充分调动学生对本课所学知识、解题思路和方法提出疑问;同时对于容易混淆的内容,学生可能注意不到的,可以在老师的引导下提出并解决。对于学生存在的问题进行及时 In the long-term teaching practice, the author uses the feedback theory of information theory to test the teaching effect, that is, information input-information processing-information output. Through this approach, the knowledge learned by students can be consolidated and strengthened. First, the question and answer, difficult to solve confusion In this teaching section, to fully mobilize students to learn the knowledge of this lesson, problem-solving ideas and methods of questioning; the same time confusing content, students may not be aware of, you can The teacher’s guidance put forward and solve. Timely problems exist for students