文档介绍：Unit 9 When was it invented 教案学****目标: 1. 学会使用含有被动语态的不同句型结构“ When/ Where was it invented? ”和“ What are they used for?--- They are used for doing sth.. ”来谈论各种发明物的历史。 2. 学****理解被动语态的含义。能够就不同的发明物与他人交流看法, 发表自己的见解, 并陈述理由。 3 .了解到更多在世界上有重大意义的发明,并向那些伟大的发明家学****一、日常用语 1. --- When was the car invented ? ---It was invented in 1985. 2. ---When were electric slippers invented ? ---They were invented last year. 3. ---Who were they invented by? ---They were invented by Julie Thompson. 4. ---What are they used for ? ---They ’ re used for seeing in the dark. 二、重点短语 1. be used for 被用来做… What is the book used for? 书是用来做什么的? The book is use d for reading. 书是用来读的 The plane is used for traveling. 飞机是用来旅行的 2. be used to doing sth****惯于做某事. 3. according to 根据,按照 4. in this way 这样 5. give sb. some time to do sth 给某人一些时间做某事. The teacher gives the student two hours to do homework. 老师给同学们两个小时做作业。 6. help sb. do sth. 帮助某人做某事 I’ ll help you leave the island. 我将帮助你离开岛屿。 7. by accident 偶然的 by mistake 错误的 8. fall into 落入,陷入 9. in the end= at last=finally 最后 10. make sb. adj. 使某人… make me happy 使我开心 11. sb. called\named …被叫作,被称作 a chef called Black. 一个叫布莱克的厨师 a doctor na med Amy 一个叫艾米的医生 12. sprinkle a lot of salt on chips 在薯片上洒大量的盐 13. decide to do sth. 决定做某事 I decide to taste the hot tea 我决定品尝热茶。 14. not … until 直到…才 You can ’t leave until I arrive . 直到我到了你才能走。 I can ’t watch TV until I finish my home work. 直到我完成作业,我