课堂上教师常常会提出一个看来非常清楚明白的问题,但总有学生不知所措,无从答起。这是因为学生的认知结构各不相同,对于教师的提问,不同的学生会产生不同的反应:一部分学生会马上找到问题的答案:一部分学生能够明白问题问的是什么,但不知道如何解答;也有一部分学生可能完全搞不清老师 In class, teachers often come up with a question that seems to be very clear and understandable, but there are always students at a loss what to do. This is because students have different cognitive structures. For teachers’ questions, different students will react differently. Some students will immediately find the answer to the question: some students can understand what the question asked but do not know how to answer it. Some students may not be able to fully understand the teacher