九年级_Unit9Section_B.ppt

Unit 9When was it invented?Section B Period 1 sour Listening (2a) 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__________. Pairwork A: Did you know potato chips were invented by mistake? B: Wow, I didn’t know that. Who invented them? A: … 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. Some leaves from a ___ ___ ___ the water and ___ there for some time. The emperor ____ that the leaves in the water ___ a ___ ___ . Later he ____ __ taste the __ ___ . It was quite delicious. And __ ___ ___ , one of the world’s favorite drinks ___ ____. 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. Unit 9When was it invented?Self check Self Check (2:P73) Did you know that ___, the most ___ drink ___ in the world (after water), was inve