新人教版英语九年《Unit 9 When was it invented》(SectionB)课件ppt.ppt

Unit 9When was it invented?Section B Period 1 sour Listening (2a, 2b: P71) The potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes weren’t thin enough. 4. The customer said they weren’t salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. _____________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__________. Unit 9When was it invented?Section B Period 2 3. When was it invented? Over 3,000 years before 1610. 4. Who invented it? The emperor Shen Nong. 5. Who can tell us how it was invented? According to an ancient legend, once when Shen Nong was boiling drinking water over an open fire, some leaves from a nearby bush fell into the water and remained there for some time. He noticed that the leaves in the water produced a pleasant smell. Later he tasted the water and found it quite delicious. That’s how he discovered tea. Writing (3b: P72) in Bridgeport, Connecticut. They found it interesting to throw the pie plates with each other. Then it became a game. Today, there are flying disk clubs, magazines and even a festival. A sample version From pie plate to flying disk The flying disk was invented by college students. Flying disk is a metal pie plate. In the 1950s, several college students ate pies made by a bakery * 新目标 九年级 crispy and salty Describe how food tastes. sweet sweet T F T T F F The history of chips Did you know were invented 1853 were crispy really salty Tapescript Boy1: Hey, did you know that potato chips were invented by mistake? Boy2: