在我办公室的抽屉里,一直珍藏着一张“红牌”。每次看到它,我都会想起一个叫宇的学生。宇是我所带班级中年龄最大、最调皮的男生。刚接手这个班时,有老师好心提醒我,要特别注意宇——他特别能惹事,活动能力特强,个子又高……果不其然,在我的第一节课上,预备铃都响了好一会儿,宇才跟班上几个男生从外面跑进来。“报告!”宇故意大声地喊道。看着他那略带挑衅和试探的 In my office drawer, has been a collection of “red card.” Every time I see it, I will think of a student named Yu. Yu is the oldest and most naughty boy in my class. Just took over this class, a teacher kindly remind me to pay special attention to Yu - he can particularly stir up trouble, activity ability is extremely strong, tall and tall ... Sure enough, in my first class, the preparatory bell are ringing good For a moment, Yu just followed the class a few boys came in from the outside. “Report! ” Yu shouted intentionally loudly. Looked at his slightly provocative and tempting