人教新目标Go For It!英语九年级全册《When was it invented?》PPT下载(第3课时)
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人教版九年级英语上册《When was it invented?》PPT下载(第3课时)，共22页。
学 习 目 标
学会运用描述食物味道的单词：crispy,sour,sweet,salty；
通过听说训练，了解薯条的发明历史；
学会用被动语态谈论薯条的发明历史。
Listening
Read the sentences, what are they talking about? Listen and circle T for true or F or 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 custom was happy in the end.
Listen and answer the questions.
1. Who invented potato chips?
They were invented by a cook called George Crum.
2. When were they invented?
In 1853.
3. What did the custom order at the restaurant?
He ordered a plate of fried potatoes.
4. What did the custom think of the potato chips George cooked at first?
He thought they were cut too thick.
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 really salty.
Homework
1. Preview the new words and expressions.
2. Preview the passage Do You Know When Basketball Was Invented on page 46.
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