班主任大王文／胡勇摄影／之柳一夜深人静，万籁俱寂。学校生物办公室的灯光依然亮着。不用问，马维敏此刻一定坐在办公桌旁备课、批作业，或抄录资料、刻写练习题。十一二点是常事，有时教案备完或一本有价值的教学参考看完，猛一抬头看到墙上的挂钟，时针已指到凌晨三四... Wang Wen Wang, class teacher / Hu Yong photography / Liu night quiet, sweet silence. School biology office lights are still lit. Needless to say, Ma Weimin must sit at the desk at the moment prepare lessons, assignments, or copy data, writing exercises. Eleven or two are commonplace, and sometimes when teaching is finished or a valuable teaching reference is read, a look at the wall clock rises sharply, and the hour hand has pointed to three in the morning ...