加强课堂教学的有效性是教学的核心,所谓的“有效”是指教师在通过自己的努力后,学生有没有把教师所传授的知识吸收、融会贯通,有没有发展和进步。因此,教师在教学过程中,如何提高学生学习的兴趣,让学生在短暂的课堂45分钟内以最优的状态学习消化知识,成为教师应该思考的问题。生物课堂教学是一种目的性和意识性很强的教学活动,教师与学生形成了课堂的主体,两者之间需要相互配合,增加了互动的频率与情感的沟通,才能保证生物教学的有效性。 Strengthening the effectiveness of classroom teaching is the core of teaching. The so-called “effective ” refers to the teachers through their own efforts, the students have not imparted the knowledge imparted by teachers, mastery, there is no development and progress. Therefore, teachers in the teaching process, how to improve students’ interest in learning, so that students in the short classroom within 45 minutes to learn the optimal state to digest knowledge, as teachers should think. Biological classroom teaching is a kind of purposeful and conscientious teaching activity. Teachers and students form the main body of the classroom. The interaction between the two needs to be strengthened, and the interaction between the frequency and emotion is increased. Only in this way can biological teaching be effective. Sex.