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1、Unit 6 When was it invented?,Section A 2d / Section B 1a1e,大河镇第二中学 李跃明,学习目标,一、通过学习，掌握下列词汇：sour, customer, website, list, mention, pioneer 了解以下词汇：crispy, by mistake, electricity, zipper 二、口、笔头掌握以下句型： 1. The zipper was invented by Whitcomb Judson in 1893. 2. Potato chips were invented by mistake. 3. T
2、he customer was happy in the end. 4. They were invented in 1863. 5. George wanted to make the customer happy. 三、能用过去的被动语态（肯定、否定、及疑问句形式）熟练的谈论某些发明。 四、学会表达由于这些创造和发明对你的生活的帮助和对生活质量提高认识,What do these things have in common?,Role-play the conversation:,Paul: Hey Roy, the subject for my school project is “Sm
3、all inventions that changed the world”. Can you help me think of an invention? Roy: My pleasure ! Let me think hmm I know! The zipper! Paul: The zipper? Is it really such a great invention? Roy: Think about how often its used in our daily lives. You can see zippers on dresses, trousers, shoes, bags
4、almost everywhere！ Paul: Well, you do seem to have a point Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasnt used
5、widely. Paul: Really? So when did it become popular? Roy: Around 1917.,Why does Roy think the zippers are small inventions that changed the world?,朗读2d中的对话，请试着翻译下列句子。,1) 拉链是在1893年被惠特科姆.贾德森发明的。 The zipper_ _ _ Whitcomb Judson _ 1893. 2) 但是在那个时候， 它没有被广泛使用。 But _ _ _, it _ _ widely.,was,invented,by,in,
6、at,that,time,wasnt,used,For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893.,Pair work,Make a conversation with the following information.,A:_? B: In 1893. A:_? B: By Whitcomb Judson.,The words in the box describe how food can taste. Write them under the correct picture
7、s. Some pictures have more than one word.,sweet crispy salty sour,Write the name of a different food after each word.,sweet _,crispy _,salty _,sour _,How do the potato chips taste? Do you like them? Do you know how they were invented?,Potato chips,Listen and circle T for true or F for false.,Potato
8、chips were invented by mistake. They were invented in 1863. The customer thought the potatoes were not thin enough. The customer said they were not salty enough. George wanted to make the customer happy. The customer was happy in the end.,T F,T F,T F,T F,T F,T F,Listen again. Complete the sentences.
9、,The History of Potato Chips,Do you know how potato chips were invented? Potato chips _ by a cook called George Crum. They were invented in _. George Crum cut the potatoes really, really _ and then cooked them for a long time until they were _. Finally he put lots of salt on them so they were _.,wer
10、e invented,1853,thin,crispy,salty,再听录音，补全对话。,Boy 1: Hey, did you know that potato chips were invented _? Boy 2: Really? What do you mean? Boy 1: Well, here on the bag it says that they were invented by _ called George Crum. Boy 2: When was that? Boy 1: Oh, it was back in 1853. Boy 2: So, why was it
11、an accident? Boy 1: Well, one day, a customer came in to the restaurant where George worked. He ordered a plate of fried potatoes. When the potatoes came, he said they _ too thick and sent them back to the kitchen. Boy 2: So what happened? Boy 1: Well, George was angry, so he cut the potatoes really
12、, really thin, and he cooked them for a long time until they were _. And he put lots of salt on them so they were really _. He thought the customer would hate them. Boy 2: And? Boy 1: And the customer loved them and asked for more. He told the other customers about them, and soon everyone was orderi
13、ng thinly cut, crispy, salty potato chips. Boy 2: And were still eating them today. What a cool story!,by mistake,a cook,were cut,crispy,salty,观察与思考：,通过听力训练思考下列几个词组的使用 （1）in the end 意为“_”与_ _相当。 They came up with a good idea _ _ _. 他们终于想出了好办法。 (2) mistake n. “错误，过失”。by mistake意为_ He put salt into hi
14、s coffee_ _. 他错把盐放入了咖啡中。,最终,at last,in the end,错误地，无意中,by mistake,Make a conversation about the invention of potato chips. Use the information in 1c and 1d.,A: Did you know potato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A: ,Pair work,利用本课所学，向你周围的人用英语介绍薯条或其他发明的来历
15、吧！ What When Who How,Homework,我的收获,Words：(词),Listening skill:(听力技巧),Sentences: (句),根据问题预测听力关注点。,sour, customer, website, list, mention, pioneer,1. The zipper was invented by Whitcomb Judson in 1893. 2. Potato chips were invented by mistake. 3. The customer was happy in the end. 4. They were invented in 1863. 5. George wanted to make the customer happy.,Thank you !,