山西灵石二中校长梁素清在畅谈其校长实践经验时,出示了这么一张照片:一排冬青围栏,在一样的时间、地点、阳光下,一边亮绿有生机,一边灰暗无色泽。她问她的手下和教师,另外一边会绿吗?她也突然考问我,你相信另外一边会绿吗?我答:会的,会绿的,只是有时差。教育真有时差。且不说东西方有时差,城市农村有时差,教与育本身就有时差。不同的学生,分布在不同的层 Liang Shui-ching, headmaster of Shanxi Lingshi II, presented a photo of his headmaster’s practical experience: a row of holly fences, with a bright green life at the same time, place and sunshine, was dark and colorless. She asked her men and teachers, the other side will be green? She also suddenly asked me, do you believe the other side will be green? I answer: Yes, it will be green, but there is a time difference. There is really time lag in education. Not to mention that there are time lags between east and west, there are time lags in urban areas and there is a time lag between teaching and education. Different students, distributed in different layers