(
课件网) Unit 6 When was it invented？ 人教新目标版 九年级上 SectionB 1a-1e公开课 Learning objectives 1. 学习并掌握词汇crispy, salty, sour, customer,by mistake等； 2.能听懂并正确运用新单词和被动语态复述薯片的发明,运用听力策略完成听力任务。 3.了解薯片的发明历史，引导学生有条理的讲述薯条发明的过程。 4.引导学生意识到身边处处有发明，小发明也能创造大大的价值。 Let’s watch a video and be ready to discuss. Warming-up Do you like eating snacks How does your favorite snack taste salted egg How does it taste It tastes salty. adj. 咸的 Potato chips biscuits How do they taste They taste salty and crispy. / kr spi / adj. 脆的； --酥脆的 ice cream cakes How do they taste They taste sweet. yogurt How does it taste It tastes sour. adj. 酸的 coffee How does it taste It tastes bitter. / b t (r)/ adj. 苦的 spicy strip (Latiao) 辣条 How does it taste It tastes spicy. / spa si/adj. 辣的 苦的 bitter 辣的 spicy 脆的 crispy 甜的 sweet 酸的 sour Summary 咸的 salty The taste of food: 1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. sweet crispy salty sour crispy salty sour sweet salty 1a Write the name of a different food after each word. apple; waterme-lon; cake; honey; candy; ...... French fries; lettuce; popcorn; potato chips; ...... pizza; potato chips; salt; ...... grape; vinegar醋; orange; lemon; strawberry ...... sweet crispy salty sour Driving a train S1：I like eating...They/It taste(s).... S2: Xx likes eating....food. I like eating...They/It taste(s).... S3:.... Look at the picture and read the sentences in 1c. 1. Potato chips were invented by mistake. T F 2. They were invented in 1863. T F 3. The customer thought the potatoes were not thin enough. T F 4. The customer said they were not salty enough. T F 5. George wanted to make the customer happy. T F 6. The customer was happy in the end. T F Predict: 1.What are they talking about A.How potato chips were cooked. B.How potato chips were invented. C.How to make customers happy. Predict: 2.What characters are mentioned in the story Predict: 3.Where did the story happen George and a customer（n.顾客). In a restaurant. Pre-listening 1. Potato chips were invented by mistake. T F 2. They were invented in 1863. T F 3. The customer thought the potatoes were not thin enough. T F 4. The customer said they were not salty enough. T F 5. George wanted to make the customer happy. T F 6. The customer was happy in the end. T F 1c Listen and circle T for true or F for false. 1853 thin angry thick adj.厚的 Language points by mistake为介词短语，意为“无意中；错误地”,相当于accidentally。 【语境领悟】I missed the school bus by mistake this morning. 今天早上我无意中错过了校车。 I took your pen by mistake. 我错拿了你的钢笔。 mistake 1. n. 错误。make a mistake/make mistakes犯错误 I used to make mistakes in spelling．我过去常常犯拼写错误。 2. v. 弄错; 误解 You mistook my meaning entirely.你完全误解 ... ...
