这个话题,看上去很简单的,实际上往深了研究是很难的。讲励志,现在网上满满的心灵鸡汤,腻了这东西;讲成功,一个普通的中学生肯定不及老一辈的经验多,充其量是看个笑话,所以就拉拉家常吧。初中时,一场数学考试下来,班里跪倒一大片。对过答案后听得最多的是愤愤的一句:“这有什么用,将来上街买菜还用三角函数?”三角函数就像一块秤砣挂在我们这些有志青年的头顶,没学会 This topic, which looks very simple, is actually very hard to study. Speaking inspirational, online full of chicken soup, tired of this thing; to speak of success, an ordinary middle school student certainly less than the older generation of experience, at best, is to see a joke, so it is homely. Junior high school, a math test down, kneeling down a large class. After the answer to the most heard anger is: “What is the use of this, in the future to buy food also use the trigonometric function?” Trigonometric functions like a scale hanging on top of these aspiring young people, did not learn