随着高中生物新课程改革的不断深入,课堂教学发生了很大的变化,学生自主探索的机会多了,课堂气氛也更加活跃了。然而,在热闹与自主的背后,也透射出放任与浮躁,折射出一个令人深思的问题——如何提高课堂教学的效率?因此,如何使教师拥有新课程背景下课堂教学效率的理念,掌握新课程背景下课堂教学有效性的策略,是摆在我们面前的一个难题。 With the deepening of the new curriculum reform in high school biology, great changes have taken place in the classroom teaching. Students have more opportunities to explore independently and the classroom atmosphere is more active. However, behind the excitement and autonomy, it is also a reflection of the thought-provoking question of how to improve the efficiency of classroom teaching. Therefore, how to make teachers have the idea of ​​classroom teaching efficiency under the new curriculum background, The strategy of classroom teaching effectiveness in the context of the new curriculum is a difficult problem for us.