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由于教材的编写和修改需要一定的时间,现行教材内容和知识结构往往明显落后于科技的发展,因此,教师在备课的时候,应密切注意学科发展的新动向,及时吸收一些相关信息,在课堂教学中有选择地把它们介绍给学生,才能使教学内容和知识结构尽可能地符合时代要求。这里结合笔者的实践,谈谈生物课堂教学中补充课外信息的一些原则和方法。
As the preparation and revision of teaching materials takes a certain period of time, the content and knowledge structure of the current teaching materials often lag behind the development of science and technology. Therefore, when preparing lessons, teachers should pay close attention to the new trends of subject development and absorb some relevant information in a timely manner. In teaching, they are introduced to students in a selective manner so that the teaching content and knowledge structure can meet the requirements of the times as much as possible. Here, combined with the author’s practice, talk about some principles and methods of supplementing extracurricular information in biological classroom teaching.