一群大学生就要毕业了,在最后一课上,他们都显得无比自信和轻狂。对此,教授想给他们再上一堂人生课。于是,教授用粉笔在黑板上画了两个点,让学生将这两点用一条直线连起来。两点确定一条直线,对于一个即将走向毕业的大学生来说,这真是太简单不过了。一位学生想也没想,径直走上去就将这两点连了起来。教授没有说什么,他在黑板上另外画了两排点,横竖各两 A group of college students is about to graduate, and in the last class, they are all very confident and frivolous. In this regard, professors want to give them another life lesson. As a result, the professor drew two points on the blackboard with chalk and let the students connect the two points in a straight line. Two points to determine a straight line, for a graduate college students, this is too simple. A student never thought, went straight up to these two points up. The professor did not say anything, and he drew another two rows of dots on the blackboard, both horizontally and vertically