“工农兵学员不仅要上大学、管大学,还要改造大学,而最重要的任务是改造老师们的思想意识”。“70年代的北师大,草木茂盛。宿舍区和教学区之间曾有一大片开阔的农田。”在北京师范大学生活近半个世纪的历史系教授刘家和,至今清晰地记得。1973年春,还是青年讲师的他,急匆匆穿过这片被雨水浸润的农田,在一座四层小楼前停下了脚 “Workers, peasants and soldiers not only want to go to universities, universities, universities, but the most important task is to reform teachers’ ideology.” “The Beijing Normal University in the 1970s was lushly populated with vast open fields between the dormitory area and the teaching area.” Liu Jiahe, a professor of history at Beijing Normal University who has lived for nearly half a century, still remembers so clearly. In the spring of 1973, still a young lecturer, he hurried through the rain-fed farmland and stopped his foot in front of a four-story small building