提高课堂效率,提升教学质量,使学生能在当堂课上掌握更多的知识,就必须向课堂要质量,争效率,以便达到课堂教学的最优化。那么,怎样向课堂要质量争效率呢? Improve classroom efficiency and improve teaching quality so that students can master more knowledge when they are in the class, it is necessary to the quality of the classroom, efficiency, so as to achieve the optimal teaching in the classroom. So, how to compete for quality efficiency in the classroom?