四板块课堂教学结构改变了传统的教学模式,不是先由教师讲解,学生练习巩固,而是在教师创设的情境下,由学生独立地自学课本内容,依靠自己的努力提出问题,然后进行合作交流,教师根据合作交流后发现的重点、难点问题 The four-classroom classroom teaching structure has changed the traditional teaching mode. Instead of first explaining by teachers and students practicing and consolidating, the students create their own context by asking students to ask for their own textbooks and asking questions based on their own efforts, and then make cooperation and exchange , Teachers based on the cooperation and exchange found that the key and difficult issues