恰当、合理的课堂提问可以让教学“一石激起千层浪”。因此,合理设计提问内容,有助于学生思考,进而提升学生对知识的把握能力。但课堂提问并不是盲目的,而是要求教师在提问时既做到目的明确,又要有的放矢。如何把握提问时机,如何选择提问内容,如何设计提问梯度,这是值得教师认真思考的问题。下面,我根据自身的教学经验,围绕提问的时机、内容、梯度,阐述如何有效 Proper and reasonable questions in the classroom can make teaching “a ripple ”. Therefore, designing the question content rationally will help students to think and enhance their ability to grasp the knowledge. However, the question in the classroom is not blind, but requires teachers to ask questions both to achieve a clear purpose, but also targeted. How to grasp the timing of questions, how to choose the content of questions, and how to design the gradient of questions, is a question worthy of serious consideration by teachers. Below, I based on my own teaching experience, around the timing of questions, content, gradient, elaborate how effective