高效课堂的背景下,导学案中设置的问题仍是课堂教学的关键。教师可以用精心设计的、充满思想的问题轻轻推进学生的思考、激活学生的想象。然而在我们的学案上设计的问题中,存在着许多问题,现列举一二:一是设计的问题范围和角度不明,学生不知如何回答。第二个问题是范围太大。在编写学案时为什么会出现这样一些问题呢?主要原因有:一是编者在编写学案前没有充分研究课程标准及教材、大纲, In the context of efficient classrooms, the problems set in the guide case remain the key to classroom teaching. Teachers can use the well-designed, full of thinking problems gently promote students ’thinking, activate the students’ imagination. However, there are many problems in the design of our study case. Let us give one or two examples. First, the scope and angle of the design problem are unknown. Students do not know how to answer it. The second problem is too much scope. Why do some problems arise in the preparation of the case? The main reasons are: First, the preparation of the case before the editor did not fully study the curriculum standards and materials, syllabus,