(课件网) 21世纪教育网（www.21cnjy.com)中小学教育资源及组卷应用平台 Unit 6 When was it invented SectionB Period 4 人教新目标(Go for it)九年级全册 Warming-up Watch the video and answer the questions. It tastes sour. lemon What did they eat How does it taste Presentation Describe how the food tastes. What are they called in English How do they taste They taste crispy(脆的). They are called potato chips. What are they called in English How do they taste They taste salty(咸的). They are called salted duck eggs. They taste hot(辣的). They are called peppers. What are they called in English How do they taste 21世纪教育网 21世纪教育网 What is it called in English How does it taste It tastes sweet (甜的). It is called ice cream. What is it called in English How does it taste It tastes bitter (苦的). It is called coffee. 21世纪教育网 The different tastes of food sour sweet bitter hot salty crispy soft ... 酸的 甜的 苦的 辣的 咸的 脆的 软的 Pairwork -What is it called in English - -How does it taste - sweet crispy salty sour _____ _____ _____ _____ crispy salty sour sweet salty 1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 21世纪教育网 Can you name any crispy food fried peanuts cookies Brainstorm biscuits 21世纪教育网 Can you name any sour food hawthorn fruit dried plum strawberry Can you name any salty food pickled vegetable (泡菜) pizza Can you name any sweet food cake candies bread sweet _____ crispy _____ salty _____ sour _____ Write the name of a different food after each word. banana apple Beijing Duck potato chips grape candy cookie pizza salted fish lemon 1b Pre-listening Do you like eating potato chips Do you know how they were invented Listen and guess the main idea. What are the two boys talking about A. a chef called George Crum B. the history of potato chips C. a customer(顾客) Listen and circle T for true or F for false. 1. Potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes were not thin enough. 4. The customer said they were not salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. T F T F T F T F T F T F 1c The history of potato chips Did 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 Listen again. Complete the sentences. really salty 1d 21世纪教育网 1. Who invented potato chips They were invented by a cook called George Crum. 2. When were they invented In 1853. Listen again and answer the questions. 3. What did the custom order at the restaurant He ordered a plate of fried potatoes. 5. How did George cook the potatoes then He cut the potatoes ... ...
