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1、Unit 6 When was it inventedPeriod 2 Section A(2a-2d)要点 ：词汇，能够熟练运用句型Who was it/were they invented by? What is it/are they used for?1、 自主学习了解身边常用物品的发明史，如拉链，增高鞋等等.1被某人发明_ 2.被用来做某事_3. 有特殊跟的鞋_ 4.通过电能工作_5. 如此伟大的发明 _ 6.不同发明的先驱者_7. 裙子上的拉链_ 8.在我们日常生活中_9. 不同发明的先驱者_ 10.我的学校项目主题_2 课堂活动（一）、听力练习Step1:听力预测，听录音完成2a
2、,组内核对答案。Step2:听录音完成2b。Step3:跟读听力材料，勾画出be used for的结构。Step4:小组练习，用1c编对话。What are they used for? They are used for _.（2） Role-play in 2d.1、 小组合作弄懂对话的大概意思，勾出重点，做好随堂笔记。完成后由组长根据自己的展示方案分配任务，带领组员在组内进行预展，准备在本组展示区进行展示。2、 跟读录音并背诵。拓展延伸：含双宾语的主动语态的句子变为被动语态时，常把那个指人的间接宾语变为被动语态的主语；也可把那个指物的直接宾语用作主语，但此时必须在间接宾语前加上介词 t
3、o或for。如：He gave me a book.I was given a book by him.（人作主语）A book was given to me by him. （物作主语）My father bought me a bike.(变被动语态)-。（主语是人）-。（主语是物）感官动词和使役动词在主动句中其后的动词不定式不带to，但变被动句时必须加上to。如：The boss made her work for 16 hours a day. She was made to work for 16 hours a day. 3、 课堂检测（1） . 根据汉语意思完成句子。（一空一词
4、）1.电脑是这样伟大的发明，以致极大地改变了世界。Computer is _ a great _ that it has changed the world a lot.2.想想电脑在我们日常生活中用得多么频繁。Think about how _ the computer is _ _ our _lives.3.你可以列出你的工作项目。You can_your work _ .4.你能帮我看看那鞋子的款式吗？-没问题 Can you help me look at the _of the shoes ?_ _.5. 没有提到那是谁发明的。It doesnt _who it _ _ _.6.Th
5、e refrigerator is used to keep food fresh.(改为同义句)The refrigerator is used _ food fresh.（二）、Use用法小结1. They are used for _(see) in the dark.2. This kind of knife is often used for_(cut) apples. 3. I used to_ (go) to work by bus. Now I take a taxi.4. His mother is used to_( get) up early.5. MP3 is used
6、 for_(play) music.6. She used to_with her parents, but now she is used to_with her classmates at school.A. live; livingB. live; liveC. living; livingD. living; live 7.My cousin is used to _(study) with his new friends in Australia.8. I used to _(go) swimming on Saturdays.四、课堂评价1.自评： 小组评 ：2.已学到了哪些知识？3.存在的问题或困惑？
