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Unit 6Section B 1a-1e人教版 英语 九年级上册u To learn how potato chips wereinvented.u To learn to listen for the details.u To talk about the history of inventions.What kind of snacks do you like to eat? How do they tastes?Can you describe them?Which taste do you like best?sweet foodsalty foodsour foodcrisp food1a The words in the box describe how food can taste. Write them under the correct pictures. Somepictures have more than one word.sweet crispy salty sour________ __________ ______ ________crispy salty sour sweet salty1b Write the name of a different food after each word.sweet ________ crispy ________salty ________ sour ________banana biscuitpotato chipsorange1. Potato chips were invented by mistake. T F2. They were invented in 1863. T F3. The customer thought the potatoes were not thin enough. T F4. The customer said they were not salty enough. T F5. George wanted to make the customer happy. T F6. The customer was happy in the end. T F1d Listen again. Complete the sentences.The History of Potato ChipsDo you know how potato chips were invented? Potato chips _____________ by a cook called George Crum. They wereinvented 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 ___________.were invented 1853thincrispyreally salty1e 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 didn’t know that. Who invented them? A:...Do you know what they are? How were they invented?Do you know how sandwich was invented?Ø拓展阅读ArrayIt is said the sandwich was invented in England in the 18th century by John Montagu, 4th Earl of Sandwich.He asked his servants to prepare a chunk (大块) ofmeat between two slices of bread, so that he could carry on gambling without stopping to eat.1.by mistake为介词短语，意为“无意中；错误地”,相当于accidentally。
