Unit 6When was it invented? 【导语】你知道世界上最伟大的发明家爱迪生吗 ? 要说爱迪生只上了三个月的学 , 你相信吗 ? 阅读下面的文章 , 一探究竟吧 ! Thomas Edison was a great American inventor. He was born on February 11th in 1847 at Milan, Ohio and died on October 18th, 1931. When he was a child he was always trying out new ideas. One day when he was five years old, his father saw him sitting on some eggs. He asked him why he was doing that. Edison did not answer. Instead, he asked his father, “Hens are able to have chicks. Why can’t I? ” Young Edison was in school for only three months. During those three months, the boy had so many strange questions. 【词海拾贝】try out试验chick小鸡strange奇怪的【我的感悟】Curiosity is the first virtue of scholars. ( 好奇心是学者的第一美德。 )