有效问题,有助于引发学生积极的思维参与,实现教学目标。本文就以两节同课异构的课为例,谈谈在实际教学中对落实《教学建议》第16条的理解。 Effective questions help to motivate students to actively participate in thinking and achieve teaching goals. In this paper, we take two different classes in different classes as an example, and talk about the understanding of implementing Article 16 of “Teaching Suggestions” in practical teaching.