每一个学生不管体力领域还是脑力领域的确都有差距,所以我们不能用一个标准的规则来要求学生,也不能用一个标准的规则来衡量学生。但教学和教育的技巧却恰恰要求在同样一堂课中必须让所有不同量不同质的学生的力量和能力能够发挥出来,使每一个学生都 Every student does have a gap in both the physical and the mental areas, so we can not ask students by a standard rule or measure students by a standard rule. However, the teaching and education skills precisely require that all students of different qualities and qualities be able to exert their power and abilities in the same lesson so that every student