【案例缘起】寒假的一天,我正悠闲地在公园里散步,突然,耳畔传来“包老师,包老师”的叫声,循声望去,只见几个帅小伙子正朝我跑来。“我说没错吧,果真是包老师。”一个高个子满脸笑意,正得意地对同伴说。我定睛一看,似乎有点面熟,是哪一届的学生,叫什么名字,却怎么也想不起来了。“包老师,我是敬鸿。”“我是张俊。”孩子变化太大,真的都不认得了。“老师,你一定记得我,我叫张豪,那年的愚人节——”他的话还没说完,我顿时打通记忆经 [Case origins] Winter vacation day, I am leisurely walking in the park, and suddenly came the ears, “package teacher, package teacher ” cry, the reputation, I saw a few handsome young man is running toward me Come. “I said right, really is a pack teacher. ” A tall smile, is proud to say to his companion. I take a closer look, it seems a bit familiar, which session of the students, what is the name, but how can not remember. “Package teacher, I respect King. ” “I am Zhang Jun. ” The child changes too much, really do not recognize. “Teacher, you must remember me, my name is Zhang Hao, April Fool ’s Day of that year - ” His words have not finished, I suddenly get through memory