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。ListeningRead 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.Homework1. Preview the new words and expressions.2. Preview the passage Do You Know When Basketball Was Invented on page 46.... ... ...关键词：When was it invented? PPT课件免费下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。