Unit 6 Section B （1a-1e）（讲解课件）-【优翼·学练优】2025-2026学年九年级英语上册同步备课（人教版）

Section b activity one c listen and circle tea for true or f for false. Hey, did you know that potato chips were invented by mistake? really? What do you mean? Well. here on the bag, IT says that they were invented by a cook called George chrome. When was that? Oh, IT was back in eighteen fifty three. So why was IT an accident? Well, one day a customer came into the restaurant where George worked. He ordered a plate of fried pot oes. When the potato es came, he said they were cut too thick and sent back to the kitchen. So what happened while 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 sault. He thought the customer would hate them and and the customer love them and asked for more. He told the other customers about them. And soon everyone was ordering, finally cut crime salty potato chips. And we're still eating them today. What a cool story. 优翼英语教学课件（RJ） Go for it! 九年级（上） 1 Section B (1a-1e) Unit 6 When was it invented? Learning Goals Key words & phrases: crispy, salty, sour, by mistake, customer Key sentences: 1. Potato chips were invented by mistake. 2. The customer thought the potatoes were not thin enough. Students can introduce how a kind of food was invented. Words & Expressions crispy salty sour by mistake customer adj. 脆的；酥脆的 adj. 咸的 adj. 酸的；有酸味的 错误地；无意中 n. 顾客；客户 Warming up Do you eat snacks? What snacks do you like to eat? Think-Pair-Share sour sweet bitter spicy crispy hard soft greasy S1: What does ... taste like? S2: It tastes ... What does it / do they taste like? What kind of food can you see in these pictures? potato chips lemon ice-cream salted eggs Pre-listening 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 Pre-listening Pre-listening Can you think of some food that is sweet? sweet Can you think of some food that is crispy? crispy Pre-listening Can you think of some food that is salty? salty Pre-listening Can you think of some food that is sour? sour Pre-listening Pre-listening 1b Write the name of a different food after each word. sweet __________ crispy __________ salty __________ sour __________ Answer the questions about 1c before listening. 1. What are the two boys in the picture talking about? 2. Where does this story take place? Pre-listening 1c While-listening Listen and circle T for true or F for false. 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 1d Listen again. Complete the sentences. 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 ________. 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 1853 thin crispy really salty While-listening Listening Material Boy 1: Hey, did you know that potato chips were invented by  mistake?  Boy 2: Really? What do you mean?  Boy 1: Well, here on the bag it says that they were invented by a  cook called George Crum.  Boy 2: When was that?  Boy 1: Oh, it was back in 1853.  Boy 2: So, why was it an accident?  Boy 1: Well, one day, a customer came into the restaurant where  George worked. He ordered a plate of fried  potatoes. When the potatoes came, he said they were cut too thick and sent them back to the kitchen.  Boy 2: So what happened? Boy 1: Well, 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. Boy 2: And? Boy1: 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. Boy 2: And we’re still eating them today.What a cool story!  Answer the questions. 1. How and when were potato chips invented? 2. What was the name of the inventor? What was his job? 3. Why was it a mistake? What did the cook do with the potatoes then? 4. How can you make food crispy / salty? 5. What can we learn from the story? Do you want to be an inventor? Post-listening 1e A: Did you know potato chips were invented by mistake? B: Wow, I didn’t know that. Who invented them? A: ... Post-listening Make a conversation about the invention of potato chips. Use the information in 1c and 1d. Language Points ① Potato chips were invented by mistake.（教材P45） by mistake为介词短语，意为“无意中；错误地”,相当于accidentally。 e.g. 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。 The customer thought the potatoes were not thin enough. （教材P45） enough修饰名词时不需要倒装。 e.g. There isn’t enough food left in the fridge. 冰箱里剩的食物不多了。 enough修饰形容词、副词时需要倒装。 e.g. He’s tall enough to change the bulb without getting on a chair. 他个头够高，不用踩椅子就可以换灯泡。 enough常可以和词组so ... that ...,too ... to ...转换。例如： 用enough He didn’t run fast enough to catch up with the others. 用so ... that ... He ran so slowly that he couldn’t catch up with the others. 用too ... to ... He ran too slowly to catch up with the others. The customer was happy in the end.（教材P45） in the end的意思是“后来，最后，终于”，in the end用一个单词表达可以用finally，用一个短语表达可以用at last 。 e.g. He won in the end. He won finally. He won at last. 【拓展】 at the end of ... 在......末 by the end of ... 到......末为止 e.g. At the end of this month we’ll have a meeting. 这个月月末我们将会开个会。 By the end of last year we’ve made ten model planes. 到去年末为止我们已经做了十架飞机模型了。 Exercises 用所给单词的正确形式填空。 1. The TV ____________ (invent) around 1927. 2. They are used for _______ (see) in the park. 3. This kite _________ (make) by Uncle Wang. 4. Tea plants ______________ (discover) a long time ago. 5. Our classroom _________________ (should clean) every day. was invented seeing was made was discovered should be cleaned 选词填空 crispy sweet salty sour 1. I don’t like eating chocolate. The taste is too _______ . 2. Mom added salt but it still wasn’t ______ enough. 3. I prefer lemons to oranges. I like the ______ taste. 4. She likes _______ cookies. They are hard, dry and easily broken. sweet salty sour crispy Homework Preview 2a-2e in Section B. Do the exercises in students’ book. Thank you! 本文件著作权为创作公司所有, 仅限于教师教学及其他非商业性和非盈利性用途。如发现盗用、转卖、网络传播等侵权行为, 本公司将依法追究其相应法律责任。 部分素材选自网络, 如有争议, 请联系删改。 声 明 null 74213.305 null 72907.055 $Section b activity one day, listen again, complete the sentences. Hey, did you know that potato chips were invented by mistake? really? What do you mean? Well, here on the bag, IT says that they were invented by a cook called George chrome. When was that? Oh, IT was back in eighteen fifty three. So why was IT an accident? Well, one day a customer came into the restaurant where George worked. He ordered a plate of fried potatoes. When the potatoes came, he said they were cut too thick and send them back to the kitchen. So what happened while 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 and the customer love them and asked for more. He told the other customers about them. And soon everyone was ordering thinley cut, crispy, salty potato chips. And we're still eating them today. What a cool story.