在省里提出“五严”这一大背景下,高中生物学科该怎样去教相信老师们最大的感受就是课时紧,加上单元测试、月考就更紧。针对这一现状,提高课堂教学效率就显得尤为重要。那如何提高课堂教学效率,真正做到“减负增效”呢我认为着力点在三个方面:课前准备要充分,“先学后教”讲策略,课堂教学要有度。一、课前准备充分 In the province proposed “five strict ” in this context, the high school biology how to teach the teacher believe that the greatest feeling is the tense class, coupled with unit testing, the monthly exam is tighter. In view of this situation, it is very important to improve the efficiency of classroom teaching. How to improve the efficiency of classroom teaching, and truly achieve the goal of “reducing the burden and increasing efficiency”? I think the focus is on three aspects: adequate preparation before class, “first after school to teach” strategy, class teaching should have a degree. First, full preparation before class