买成绩Buy your grade A professor was giving a big test one day to his students.He handed out all of the tests and went back to his desk to wait. Once the test was over,the students all handed the tests back in.The professor noticed that one of thestudents had attached a $100 bill to his test with a note saying "A dolllar per point" The next class the professor handed the tests back out.This student got back his test and $64 change attach:附加bill:钞票change:零钱一天，教授准备要测验他的学生们。他将所有的试卷发出去，然后回到讲桌旁等着当考试时间到的时候，每一个学生把试卷交给老师。教授注意到，一个学生在试卷上夹了一百元的钞票，并附上一张小纸条。。。上头写着“一分一块钱”下一堂课，教授将考卷发还给学生，这个学生呢，拿回自己的考卷，和找回的64元零钱