人教版九年级Unit 6 When was it invented -Section B 1a—1e-ppt课件-(含教案)-市级公开课-(编号：503ef).zip

Unit6 When was it invented? Period3 Section B (1a-1e) 学习目标学习目标 Key words & phrases: crispy, salty, sour, by mistake, customer Key sentences: 1.Did you know potato chips were invented by mistake? Wow, I didnt know that. Who invented them? sour -How do they taste? ( teist 品尝品尝 ) -They taste lemons What are they called in English ? sweet 甜的甜的 -How does it taste? -It tastes ice cream What is it called in English? -How does it taste? -It tastes bitter a bottle of beer 一瓶啤酒一瓶啤酒 What is this? -How do they taste? -They taste What are they called in English ? peppers hot 辣的辣的 crispy and salty -How do they taste? -They taste potato chips What are they called in English ? 脆的脆的,易碎的易碎的 咸的咸的,含盐的含盐的 sour sweet sweet food: crispy food: salty food: sour food: 1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. sweet crispy salty sour _ _ _ crispy salty soursweetsalty Write the name of a different food after each word. sweet _ banana apple crispy_ salty _ sour _ potato chips pizza salt lemon yogurt 1b1b Do you like ? Why or why not? po tato chips crispy and salty The history of potato chips Listening (1c, 1d,P45) 1.Potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes werent thin enough. T F T 4. The customer said they werent salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. T F F 1d 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 them for a long time until they were _. Finally he put lots of salt on them so they were _. were invented 1853 thin crispy really salty by mistake It was back in 1853. sent them back to a customer What happened? asked for more in the end ordering thinly cut, crispy, salty potato chips. What a cool story! 1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. A: Did you know potato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A:. Did you know potato chips were invented by mistake? Wow, I didnt know that 二、用所给词的适当形式填空 1. Wood can be used for _ (make) tables. 2. The jacket is _(make) of cotton. 3. English is _ (speak) all over the world. 4. Knives are used for _ (cut) things. 5. Trees are _ (plant) in spring. making made spoke n cutting planted 1.Go over the history of chips in 1a & 1d and write a short essay about it. 2.Look for the invention of tea by the Internet or reading the books. Then copy the information on paper. 教学目标教学目标 学习目标学习目标 词汇 salty crispy sour sweet bitter customer 短语 by mistake divideinto look up to In the end a cook called George Crum stopfrom doing achieve ones dream 句型 一般过去时的被动语态。例如：Potato chips were invented by mistake. 教学重点教学重点 教学难点教学难点 学习重点学习重点: 1. 新单词和短语 2. 听力 the history of potato chips 教学方法教学方法听说 教学准备教学准备多媒体 教教 学学 过过 程程 设设 计计 学习难点学习难点 听力练习 导学过程导学过程 一一, 情境导入情境导入:出示图片学习新单词出示图片学习新单词 salty crispy sour. 例如：在大屏幕出示柠檬图片，问学生：What are they called in English ? How do they taste?They taste。出示单词 sour，学习 sour。 用同样的方法学习其它表示味道的单词。通过图片和师生问答引入听 力。 二二, 合作探究合作探究 1. 合作完成 1a, 1b 2. 听录音，完成 1c,1d. 3.根据重点短语 和句子复述 the history of potato chips 3.两人小组练习对话 1e. 三， 点拨总结 1 in the end, finally, at last “最后” 1)in the end “最后，终于”可用于过去时态，也可预测将来。 We won the match in the end. He will be a teacher in the end. 2)finally 表示事情在长时间之后发生，用法同 in the end 但 finally 还 可以用来表示顺序的终结，此时不用 at last. After three hours walk, he finally got there. There are three reasons why I hate him: first, hes rude; second, hes a liar; finally he owes me money. 3)at last 指经历长时间或周折，困难，终于向好的方向发展，有了好 的结局。 At last he worked out the problem. 4. by mistake 错误的 by accident 偶然，意外地 He put salt into his tea by mistake. I saw an old friend in the street by accident 5. a cook called George Crum 一个名叫乔治.克拉姆的厨子 四，用所给词的适当形式填空： 1. Wood can be used for _ (make) tables. 2. The jacket is _(make) of cotton. 3. English is _ (speak) all over the world. 4. Knives are used for _ (cut) things. 5. Trees are _ (plant) in spring. 五，作业 1.Go over the history of chips in 1a & 1d and write a short passage about it. 2.Look for the invention of tea by the Internet or reading the books. Then copy the information on paper. 板书设计： Unit6 section B 1a-1e salty crispy sour sweet bitter hot who? when? How?