第四 Section B（1a ~ 1e） 类别要点单词1. crispy adj. 脆的；酥脆的；2. salty adj. 咸的；3.sou r adj. 酸的，有酸味的；4.customer n. 顾客。句式1. ---Did you know potato chips were invented by mistake? ---I didn’t know that. Who invented them? ---Potato chips were invented by a cook called George Grum. ---我不知道，是谁发明的? ---土豆条是由一个 叫George Grum的厨师发明的。2. The customer thought the potatoes were not thin enough.顾客认为土豆不够薄。3. Finally he put lots of salt on them so they were salty enough. 最后他在他们上面撒了多盐以使他们足够咸。I. 知识目标II. 环节自主学习案【新词自查】根据句意及首字母提示完成单词。1. I don’t like lemons because they are too sour. 2. Lucy and Lily are twins. People often mistake them for each other.3. For a restaurant, customers are the most important.4. The fish was too salty because my mom put too much salt on it.5. We often put the food into the fridge to keep it fresh in summer.导学案回顾：在前面的课程我们已经学习并了解了几种有用的发明，它们在很大程度上改变了我们的生活，使我们的生活更丰富多彩。下面提几个简单的问题来回顾上节课的内容：When was the telephon e invented? ______________________________________________Can you imagine the life without telephones?______________________________________________What do you t |
