现代教学论认为:教育的本质属性是教师价值引导和学生自主建构的辩证统一,课堂评价就是教师发挥价值引导作用、促进学生进行知识有效建构的渐进阶梯。当学生的自主建构陷入迷茫时,课堂评价实质上是一 The modern teaching theory holds that the essential attribute of education is the dialectical unification of teachers' value guidance and student self-construction. Classroom evaluation is the gradual ladder through which teachers can play the role of value guide and promote the effective construction of knowledge. When the student's self-construction into confusion, the classroom evaluation is essentially one