随着高中新课程改革的不断深入,课堂教学所遇到的最大困境和挑战就是教学的费时低效甚至无效的问题。课堂提问是实现师生交往的重要手段,也是培养学生独立思考、合作交流、探究创新的重要途径。结合近几年高中数学的实践,谈谈提高课堂教学 With the continuous deepening of the new curriculum reform in high schools, the greatest dilemma and challenge encountered in classroom teaching is the time-consuming, inefficient or even ineffective problem of teaching. Questioning in class is an important means to achieve teacher-student interaction, and it is also an important way to cultivate students’ independent thinking, cooperation and exchange, and exploration and innovation. Combining the practice of high school mathematics in recent years, talk about improving classroom teaching