Unit 6 When was it invented? (1)This information comes from Yang Xuehui at Shili high school in Xihe, Gansu.我认为电视是在轿车前发明的。 I think the TV was invented before the car.嗯，我认为电视是在轿车后发明的。 Well, I think the TV was invented after the car. 电话是什么时候发明的？ When was the telephone invented?我认为它是1876年发明的。 I think it was invented in 1876.高跟鞋用来干什么？ What are the shoes with heels used for?它们被用于增加身高。 They are used for raising height.夜光鞋用来干什么？ What are the shoes with lights used for?它们用来黑夜照明。 They are used for seeing in the dark.它们用来干什么？ What are they used for?它们用来They are used for 嗨，我学校的项目主题是“改变世界 的小发明”。Hey, the subject for my school project is “Small inventions that changed the world”. 你能帮我想一个发明吗？ Can you help me think of an invention? 我很乐意！ With pleasure! 让我想想嗯有啦！拉链！Let me think.hmm. I know! The zipper! 拉链？它真是一项那么了不起的发 明吗？ The zipper? Is it really such a great invention?想一想在我们的日常生活中拉链使 用是多么频繁。Think about how often its used in our daily lives. 你能看到裙子、裤子、鞋子、背包上 的拉链几乎无处不在！You can see zippers on dresses, trousers, shoes, bags. almosteverywhere!看来你说的确实有点道理。 Well, you do seem to have a point.当然！我想到了拉链因为我上周看了 一个网站。Of course! I thought about it because I saw a website last week. 不同发明的创始人都列在上面。 The pioneers of different inventions were listed there.比如它提到拉链是1893年被惠特科 姆贾德森发明的。For example, it mentioned that zipper was invented by Whitcomb Judson in 1893. 不过那时它并没有被广泛利用。 But at that time, it wasnt used widely. 真的吗？Really? 那它是什么时候开始流行的？ So when did it become popular? 大约在1917年左右。 Around 1917.Good habits achieve beautiful life.Try to be your best.