新人教版九年级全一册英语 Unit6 第4课时 教学课件

1、Unit 6 When was it invented?Section B 1a-1e学习目标Curriculum words：sour， customer Useful expressions： by mistake， in the endSentences： Potato chips were invented by mistake.Grammar：学会用被动语态谈论薯条的发明历史新课导入What are the four basic kinds of tastes?soursweetbittersalty新课导入How will the bread and snack taste?Swe

2、et and delicious.Can you think of any other flavor?Salty, hot, bitter, sour, fresh 新课讲解1aThe words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 新课讲解 _ _ _ _ _ _ _ _crispysoursaltysweet cold delicioussweet crispy salty soursalty

3、adj. 脆的；酥脆的adj. 酸的adj. 咸的fresh新课讲解sweet _crispy _salty _sour _Write the name of a different food after each word.bananaappleBeijing Duckpotato chips grapecandycrackercookiesaltsalted fishlemon1b新课讲解1. Potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the p

4、otatoes were not thin enough.Read the sentences, what are they talking about? Listen and circle T for true or F or false. T F T F T Fn. 顾客1c新课讲解4. The customer said they were not salty enough.5. George wanted to make the customer happy.6. The custom was happy in the end. T F T F T FWhat are needed?T

5、he potatoes are cut into slices.The slices are cooked in the pan.The pepper and tomatoes are sprinkled.新课讲解新课讲解1dpotato chipsWho were potato chips invented by?When were potato chips invented?chef新课讲解1. Who invented potato chips? 2. When were they invented?In 1853.Listen and answer the questions. 3.

6、What did the custom order at the restaurant?He ordered a plate of fried potatoes. They were invented by a cook called George Crum. 新课讲解5. How did George cook the potatoes then?He cut the potatoes really, really thin and cooked them for a long time until they were crispy. And he put lots of salt on t

7、hem so they were really salty.4. What did the custom think of the potato chips George cooked at first? He thought they were cut too thick. 新课讲解The History of Potato ChipsDo you know how potato chips were invented? Potato chips _ by a cook called George Crum. They were invented in _. Listen again. Co

8、mplete the sentences. were invented1853George 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 _. thincrispyreally salty1d新课讲解Make a conversation about the invention of potato chips. Use the information in

9、 1c and 1d.1e新课讲解Did you know potato chips were invented by mistake?Wow, I didnt know that. Who invented them?当堂小练一 根据句意及所给首字母提示，完成句子 1. Laura added too much salt to the soup. Now it tastes too s . 2. The potato chips are thin and c . Please have a try.3. Oranges taste sweet and a bit s and they are

10、 full of vitamin C. 4. The main purpose of the advertisement is making c spend money. altyrispyourustomers当堂小练 二 、根据汉语意思完成句子1.乔治想让顾客高兴。 George wanted _ the customer _.2.薯条是一个名Crum的厨师发明的。 The potato chips_ _ by a cook _Crum.3.昨天这个厨师往鱼上面撒了许多盐。 The_ _lots of salt _ the fish yesterday.calledcook putwere invented onhappy to make 课堂小结回顾Key wordssour， customerKey sentencesIts t