著名作家马克·吐温有一次在教堂听牧师演讲,开始时他觉得牧师讲得很好,准备掏出自己所有的钱捐赠。过了十分钟,牧师还没讲完,他不耐烦了,决定只捐零用钱。又过了十分钟,牧师还没讲完,于是他决定一分钱也不捐了。这个故事给我们教师深深的启示,我们在数学课堂实 Once famous writer Mark Twain listened to the priest’s speech in the church, at first he felt that the priest spoke very well and was ready to take out all his money donations. Ten minutes later, the priest had not finished his speech. He was impatient and decided to donate only pocket money. After another ten minutes, the priest did not finish yet, so he decided not to give a penny. This story gives us a deep revelation of teachers, we are in mathematics classroom