一、针对性在课堂教学中,任何问题设计,都要围绕教学目标,结合学生实际、教学内容以及重点和难点进行,不能随意而缺乏针对性.否则设计出来的问题不准确、不清楚、拖泥带水,学生理解起来含糊不清、模棱两可.设计针对性强的问题,有助于学生理解概念,辨析疑难,完善认知结构,从而提高对知识的理解和掌握. First, targeted In the classroom teaching, any problem design must be based on the teaching objectives, combined with the actual situation of the students, the teaching content, as well as the key points and difficulties. It can not be arbitrary and lack of pertinence. Otherwise, the design problems are inaccurate, unclear, and dragging on The students are ambiguous and ambiguous in their understanding. Designing well-targeted questions helps students understand concepts, identify difficulties, improve cognitive structures, and improve their understanding and mastery of knowledge.