(
课件网) Section 第 3 课 时 (1a~2e) ………………………………… B Unit 1 When was it invented Learning Goals 1 单词：crispy, salty, sour, customer, divide, basket, hero, professional 短语：by mistake, divide...into, look up to 句型：· not only...but also... · more and more... （1）了解薯条的发明历史； （2）学会用被动语态谈论薯条的发明历史。 2 How do they taste sour sweet lemons— cookies— bitter hot coffee— peppers— salty crispy salt— potato chips— taste 口感 酸的 甜的 辣的 苦的 咸的 脆的 sweet sour bitter salty crispy hot The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 1a sweet crispy salty sour _____ _____ _____ _____ _____ _____ _____ _____ crispy sour salty sweet salty cold delicious fresh Write the name of a different food after each word. 1b sweet _____ crispy _____ salty _____ sour _____ banana apple Beijing Duck potato chips grape candy cracker cookie salt salted fish lemon 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 Listen and circle T for true or F for false. 1c 1. Who invented potato chips They were invented by a cook called George Crum. 2. When were they invented In 1853. Listen 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 really, really thin and cooked them for a long time until they were crispy. And he put lots of salt on them so they were salty. 4. What did the custom think of the potato chips George cooked at first He thought they were cut too thick. 1. Potato chips were invented by mistake. 薯片是无意中被发明的。 by mistake 意为“错误地；无意中”，为介词短语， 在句中作状语。 ※ I get on the wrong bus by mistake. 我无意中乘错了公共汽车。 Language points 2. The customer said they were not salty enough. 顾客认为它们不够咸。 salty 作形容词，意为“咸的”。salty 是由名词 salt （盐）加后缀 -y 构成的，在句中作定语或表语。 ※ The dish made by my father today is very salty. 我爸爸今天做的这道菜很咸。（作表语） ※ I don’t like salty food. 我不喜欢咸的食物。（作定语） enough 作副词，意为“足够地”，修饰形容词或副词 时，放在所修饰的形容词或副词之后。 ※ Are the carrots cooked enough？ 胡萝卜煮熟了吗？（修饰动词） ※ You didn’t try hard enough. 你努力得不够。（修饰副词） ※ You can go to school when you’re old enough. 你够年龄就可以上学了。（修饰形容词） Listen again. Complete the sentences. 1d 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 ... ...
