现代课程的基本单位是问题,倡导通过问题设计和组织课程内容、实施教学。课堂教学模式应由知识传授转移到问题解决上来。一节课设计的成败,在很大程度上取决于问题设计和实施的水平。然而,在实际教学中,教师对问题的建构不尽如人意。主要体现在三个方面:一是问题建构主体单一化,缺乏学生自主参与;二是问题建构过程单线化,缺少师生互动生成;三是问题建构内容直白化,缺乏探 The basic unit of modern curriculum is the issue, advocating the design and organization of curriculum content through questions, the implementation of teaching. Classroom teaching mode should be shifted from knowledge transfer to problem solving. The success or failure of a lesson design depends largely on the level of problem design and implementation. However, in the actual teaching, teachers are not satisfied with the problem construction. Mainly reflected in three aspects: First, the main problem of the construction of a single, the lack of independent participation of students; Second, the problem-solving process of construction of a single, the lack of interaction between teachers and students; Third, the problem construction content of the blaze, lack of exploration