1、=【 ;精品教育资源文库 】 = Unit 6 When was it invented? Section B （ 1a 1d） 一、【教材分析】 教 学 目 标 知识 目标 1.会听说读写下列词汇： crispy; salty; sour; by mistake; customer； by mistake; thin enough; salty enough; make the customer happy; in the end; potato chips. 2. 能正确使用语法要点 中的句型 ： （ 1） Potato chips were invented by mistake. （
2、2） The customer thought the potatoes thin enough. （ 3） The customer said they were not salty enough. （ 4） George wanted to make the customer happy. （ 5） The customer was happy in the end. 能力 目标 1. To understand and describe how food can taste. 2. To learn the history of potato chips by listening car
3、efully. 3. To practice talking about the invention of potato chips. 情感 目标 通过本课的学习，培养学生乐于探索，乐于创新和发明的精神。 教学重点 理解并讨论薯条的发明。 教学难点 熟练运用语法要点中的句型和他人对话； 一般过去式被动语态的用法。 教学方法 情景教学法；任务型教学法。 二、【教 学流程】 环节 师生活动 二次备课 I. 复习热身 1、检查生词预习。 （ 1）先通过 PPT 呈现本课的单词，教师领读，学生跟读，教师帮助学生正音。 （ 2）做题巩固。 根据句意及首字母提示完成单词。 The glass is ver
4、y c_. You should be careful. The soup is very s_. You shouldn t put so much salt into it. The oranges are not sweet at all, instead, they are =【 ;精品教育资源文库 】 = kind of s_. He put salt in her cup of tea by m_. His brother is a good cook, many c_ go there to enjoy his cooking. 答案：（ 1） crispy（ 2） salty（
5、 3） sour（ 4） mistake（ 5）customers 2、自由交谈 Which food do you like? I like? Do you like eating potato chips? Yes, I do/No, I Don t. Do you know how they were invented? ? . . 感知体验 感知 1.用 PPT 呈现不同食物的图片 ,引导学生谈论它们的味道。 T: What kind of food, fruit and drink do you like best? Can you describe the tastes of th
6、em? 体验 1.学生 分组谈论，练习对话，并学习新单词 crispy; salty; sour 等。 感知 2.教师进一步通过问题启发。 （ 1） Do you like eating potato chips? （ 2） Which kind of taste do you like? （ 3） Do you know how they were invented? 体验 2.小组讨论得出答案并做听力练习。 1. 处理课本内容 1a 部分。 The words in the box describe how food can taste. Write them under the corr
7、ect pictures. Some pictures have more than one word. =【 ;精品教育资源文库 】 = .强化巩固 sweet crispy salty sour crispy sour sweet salty 2. 处理课本内容 1b 部分。 Write the name of a different food after each word. sweet banana apple orange cake? crispy potato chips ? salty pizza ? sour lemon grape? 3. 处理课本内容 1c 部分。 List
8、en and circle T for true or F for false. （ 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
9、） The customer was happy in the end. T F 4. 处理课本内容 1d 部分。 Listen again. Complete the sentences. 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 the
10、m for a long time until they were _. Finally he put lots of =【 ;精品教育资源文库 】 = salt on them so they were _. 答案 : were invented; 1853; thin; crispy; really salty 5 处理课本内容 1e 部分。 Make a conversation about the invention of potato chips. Use the information in 1c and 1d. A: Did you know potato chips were
11、invented by mistake? B: Wow, I didnt know that. Who invented them? A: ? . 6. 语言知识点的归纳总结。 （ 1） salty 咸的 (教材第 45 页 ) salty 形容词，意思为“咸的；含盐的”，是由名词“盐，食盐”加 -y 构成的形容词。 ? The boy didn t have much for dinner because the dishes were too salty. 这个男孩晚餐吃得不多，因为菜太咸了 。 【拓展】“名词 +-y”构成形容词 :在英语中，很多名词后加-y 可以构成形容词，如： clo
12、ud cloudy wind windy rain rainy sleepsleepy sun sunny （ 2） The customer was happy in the end.最后顾客高兴了。 in the end 意思为“最后；最终”，相当于“ at last” , finally,其后不接 of 短语。 夲 短语强调虽然最初?，最后还是产生了一个?的结果。 ? They were out of danger in the end.他们最后脱险了。 【拓展】 at the end of? 在?结束时，后接表示时间的名词；在?尽头，后接表示地点的名词。 by the end of?
13、在?以前，到?为止，常用于将来时态和过去完成时态的句子中。 （ 3） The potato chips were invented by mistake.薯片是无意中被发明出来的。 =【 ;精品教育资源文库 】 = by mistake 意为 “ 错误地 , 无意中 ” ，常置于句末。 ? Im sorry that I took your schoolbag by mistake.很抱歉我错拿了你的书包。 【拓展】 mistake 为名词时，还可构成短语： make a mistake （犯错误） mistake 为动词时，常用于 mistake? for? （把?误认为?） ? I mis
14、took Kate for her sister when I met her yesterday . 实践应用 1. 小组练习关于薯条发明的对话 . A: Did you know potato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A: ? . 2. 写一篇关于薯条发明的小文章。例如： Potato chips were invented by a cook called George Crum. They were invented in 1853.George Crum
15、 cut the potatoes really, really thin and then cooked them for a long time until they were crispy. Finally he put lots of salt on them so they were really salty. .总结反馈 1.结合板书 和课件 ，让学生 盘点所学词汇和重要句型 。 单词： crispy; salty; sour; by mistake; customer. 短语： by mistake; thin enough; salty enough; make the cus
16、tomer happy; in the end; potato chips. 句型： （ 1） Potato chips were invented by mistake. （ 2） The customer thought the potatoes thin enough. （ 3） The customer said they were not salty enough. （ 4） George wanted to make the customer happy. （ 5） The customer was happy in the end. 2. 当堂练习。 =【 ;精品教育资源文库 】
17、 = （ 1） 根据句意和首字母提示补全单词。 There were four famous inventions in a_ China. These cars were p_ by the same company. Few pears r_ on the trees after the heavy rain. I don t like the t_ of the meat. 答案： ancient produced remained taste （ 2） 单项填空 “Frog”, Mo Ya ns latest novel, please! Sorry, it _ just now. B
18、ut it will come out again soon. A. sold out B. is sold out C. has sold out D. was sold out It _ last week that the haze(雾霾 ) in Beijing caused many problems. A. reports B. reported C. is reported D. was reported 答案： D D .作业布置 1. Write a short passage about the history of your favorite food. 2. Previ
19、ew the new words we will use in the next lesson. 三、【板书设计】 Unit 6 When was it invented? Section B （ 1a 1d） A: Did you know potato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A: They were invented by a cook called George Grum. B: When was that? A: Oh, it was in 1853. =【 ;精品教育资源文库 】 = 四、【教学反思】 【 163 文库：各类精品优质课，公开课课件 ppt;教案，教学设计，各类试题复习资料，工作文档等上百万资源。】 【平台地址： 】
