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新目标 九年级 Unit 9,Unit 9When was it invented?Section B Period 1,What do you think is the most useful/annoying invention? Why is that?,Brainstorming,crispy and salty,Describe how food tastes.,sour,sweet,sweet,-What kind of food do you like?,salty咸的,含盐的 sweet甜的 crispy易碎的,脆的 sour酸的,酸味的,bitter 苦的 hot 辣的 awful 可怕的 nice 好的 delicious 美味的,-I like food that tastes,1b Write the names of a different food after each word.,sweet _ crispy _ salty _ sour _,How do they taste?,Do you like potato chips?,The history of chips,When were potato chips invented? Who were potato chips invented by? How were potato chips invented?,Listening (2a, 2b: P71),The potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes werent thin enough.,T,F,T,4. The customer said they werent salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end.,T,F,F,_that potato chips were invented by mistake? Chips _ _by a chef called George Crum. They were invented in_. George Crum cooked them for a long time until they _And he sprinkled lots of salt on them so they were_.,The history of chips,Did you know,were invented,1853,were crispy,really salty,1.The custom said they werent salty enough. 这个顾客说菜不够咸。 (1) said 后是宾语从句, 省略了that。当 宾语从句主句用一般过去时, 从句也要 用过去的某种时态。 He asked me whom I was waiting for. 他问我在等谁。,Explanation,但enough 修饰名词时, 可以放在名词之前, 也可以放在名词之后。如: I have enough money to buy it. ( I have money enough to buy it.) 2.The potato chips were invented by mistake. 薯片是无意中被发明的。 mistake 做名词, 意为 “弄错, 误解”,You have made a foolish mistake. 你犯了一个愚蠢的错误。 mistake 作动词, 意为 “弄错,误解” She didnt speak very clearly so I mistook what she said. 她讲的不清楚, 所以我误解了她的话。,by mistake 意为 “错误地,无意地” I took his backpack by mistake. 我错拿了他的书包。 He put salt in her cup of tea by mistake. 他错把盐放进她的茶里。,2c,Pariwork,Role play the conversation of potato chips.,A: Did you know potato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A: ,Thank you for listening!,
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