生物教师应如何提高生物教学的课堂效率呢?下面,就笔者的一些做法谈点体会。首先,精心设计每堂课的教学引言,教师努力做到使上课一开始就能紧紧抓住学生的注意力,激发他们浓厚的学习兴趣,调动他们学习的积极性。如何通过引言调动学生的学习积极性呢?一方面要求教师要有坚实的专业基础知识,另一方面要求教师要有广博的知识、幽默风趣、富有启发性和感召 How can biology teachers improve the classroom efficiency of biology teaching? Next, talk about some of the author’s practices. First of all, meticulously designed the teaching introduction of each class, teachers strive to make students grasp the attention of the beginning of the class, stimulate their strong interest in learning, and mobilize their enthusiasm for learning. How to mobilize students’ enthusiasm for learning through the introduction? On the one hand, teachers are required to have solid professional knowledge, and on the other hand, teachers are required to have extensive knowledge, humor, inspiration and appeal.