中文摘要：

学习知识是一个不断提出问题、分析问题和解决问题的过程,知识具有情景性。问题、学生、教学媒介、教师是问题情景的四个组成要素,四要素在情景中所处的地位、起的作用对问题情景创设的恰切性具有重要的影响。阐释了情景四要素在问题情景中的重要性及其在创设情景的角色要求,为创设合适情景提供参考。

英文摘要：

Learning is a continuous progress of raising, analysing and solving problems, and knowl-edge has scenarios character. Question,students,teaching media, and teachers are four elements of question situation. The position and action of the four elements has importance influence on felicity of situation creation. Explains the importance of four elements in problem scenarios and role require-ment in scenarios creation,provides reference for creating suitable situation.