,初中上册单元复习一遍过,学练优九年级英语（RJ） 教学课件,Unit 6 When was it invented?,Section B (1a-1e),学习目标,Key words & phrases: crispy, salty, sour, by mistake, customer Key sentences: 1.Did you know potato chips were invented by mistake? Wow, I didnt know that. Who invented them?,What did they eat?,Ice-cream.,What did the big dog think of the ice-cream?,Sweet, cool, and delicious!,Lead in,How will the bread and snack taste?,Sweet and delicious.,Can you think of any other flavor?,Salty, hot, bitter, sour, fresh ,sweet甜的,crispy脆的,salty咸的,How do they taste?,hot辣的,bitter苦的,red bayberries,peppers,sour酸的,Presentation,cookies,crispy,lemons,sour,sweet,candy,salty,ice cream,tea,delicious,nice,awful,prune,The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.,1a,_ _ _ _ _ _ _ _,crispy,sour,salty,sweet,cold,delicious,sweet crispy salty sour,salty,adj. 脆的；酥脆的,adj. 酸的,adj. 咸的,fresh,sweet _ crispy _ salty _ sour _,Write the name of a different food after each word.,banana,apple,Beijing Duck,potato chips,grape,candy,cracker,cookie,salt,salted fish,lemon,1b,1. Potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes were not thin enough.,Listen and circle T for true or F or false.,ListeningListening,T F T F T F,1c,4. The customer said they were not salty enough. 5. George wanted to make the customer happy. 6. The custom was happy in the end.,T F T F T F,n. 顾客,What are needed?,The potatoes are cut into slices.,The slices are cooked in the pan.,The pepper and tomatoes are sprinkled.,potato chips,Who were potato chips invented by? When were potato chips invented?,George Crum,chef,1. Who invented potato chips?,They were invented by a cook called George Crum.,2. When were they invented?,In 1853.,Listen and answer the questions.,3. What did the custom order at the restaurant?,He ordered a plate of fried potatoes.,5. How did George cook the potatoes then?,He cut the potatoes really, really thin and cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty.,4. What did the custom think of the potato chips George cooked at first?,He thought they were cut too thick.,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 _.,Listen again. Complete the sentences.,were invented,1853,1d,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 _.,thin,really salty,crispy,Make a conversation about the invention of potato chips. Use the information in 1c and 1d.,1e,Did you know potato chips were invented by mistake?,Wow, I didnt know that. Who invented them?,Its said that they were invented by a cook called George Crum.,When was that?,Oh, it was back in 1853.,Why was it an accident?,One day, a customer ordered a plate of fried potatoes. George cooked them for him. When the potatoes came, he said they were cut too thick and sent them back to the kitchen.,So what happened?,George was angry, so he cut the potatoes really, really thin, and he cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty. He thought the customer would hate them.,And then?,And the customer loved them and asked for more. He told the other customers about them, and soon everyone was ordering thinly cut, crispy, salty potato chips.,Summary,Learned the history of potato chips. Learned how to describe the taste of food.,Homework,Memorize the new words. Do the exercises in students book. Preview the passage in 2b.,Thank you!,