教案 第 4 总第 课 题Unit 6 When was it invented? (Section B 1a-1e)教学目标知识目标1. To master the new words: crispy, sour, sweet, salty, customer.2. To talk about the history of potato chips by using the Passive Voice.目标1. To describe the taste of foods.2. To listen and understand the history of potato chips , then make a conversation or write an article about it情感态度及价值观1. To tell the students the importance of healthy eating habits while learning the taste of different foods,2. To let the students understand sometimes inventions come from our daily lives, learn to discover them, learn from the inventors and nevergive up trying.教学教学难点1. To learn the new words.2. To have a listening practice. 3. To know the history of potato chips and make conversations about it .4. How to describe the history of something using the Passive Voice.教学准备教师活动PPT学生活动Group work教学过程（导入新课、教学新课、小结）教学环节教师组织与指导学生活动设计意图【导入】Revision＆Lead－inT: In Section A , we have talked about some inventions and about their history.Then show some pictures of a car, a telephone, a com |
