①上课了，老师大步走进教室，把上次考的数学卷发了下来。 发到冬冬的时候，冬冬看到自己打了100分，别提多高兴了。②(发完试卷，老师开始讲答案。)冬冬发现，原来自己有一道题的得数错了，老师却给打了对号。③下课了，冬冬去找老师。他指着那道题对老师说：“老师，我这道题算错了，你给判对了，这是为什么呀?” ① class, the teacher strode into the classroom, the last test of mathematics curls down. Sent to winter when winter saw himself hit 100 points, not to mention more happy. ② (Finished papers, the teacher began to answer the answer.) Winter found that the original number of questions they had wrong, but the teacher gave the hit number. ③ get out of class, and winter to find a teacher. He pointed to the question on the teacher said: “Teacher, my problem is wrong, you give the right sentence, which is why?”