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1、Learing goals知识目标：学生能够口笔头掌握以下句型：1.Potato chips were invented by mistake.2.The customer was happy in the end.3.They were invented in 1863.4.George wanted to make the customer happy.技能目标：学生能够用过去时态的被动语态熟练地谈论某些发明物。情感目标：学会表达这些创造和发明对你的生活的帮助，对生活提高认识。翻译下列词组。翻译下列词组。1.错误地，无意地错误地，无意地 _2.尝起来很脆尝起来很脆 _3.不够薄不够薄 _4
2、.使顾客高兴使顾客高兴 _5.最后终于最后终于 _6.在在 上放了很多盐上放了很多盐 _7.烹饪了很长时间烹饪了很长时间 _8.土豆条土豆条 _自主学习案自主学习案by mistaketaste crispynot thin enoughin the endmake the customer happyput lots of salt on cook for a long timepotato chipsat last, finally What did they eat? Ice-cream.What did the big dog think of the ice-cream? Sweet
3、, cool, and delicious!Step 1 准备与热身准备与热身(preparation) cook 厨师The cook can cook delicious food.crispyThey taste hard and crispy.How do they taste? krspi sour They taste sour. 【sa(r)】bitter It tastes bitter. btr They taste very hot.hotsaltyThey taste salty. slti How does it taste?How do they taste?hots
4、altysour sweetbitter It tastesThey taste . The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 1aStep 2 呈现与输入呈现与输入 (Presentation)sweet crispy salty sour _ _ _ _ _ _ _ _crispysoursaltysweetsweet crispy salty soursaltyadj. 脆的；
5、酥脆的脆的；酥脆的adj. 酸的酸的adj. 咸的咸的sweet _crispy _salty _sour Write the name of a different food after each word.bananaappleBeijing Duckpotato chips1b grapecandycookiecheesesalted fishlemonpancakeorangeHow do they taste?They taste . ?Who and when were they invented?How ?1c1c Listen and circle T for true or
6、F for 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 customer was happy in the end.Step 3练习与体验练习与体验 (Practice)T
7、he history of potato chipsDo 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 in
8、vented1853thincrispy1d Listen again. Complete the sentences.really saltyStep 4 运用与生成运用与生成 (production)Make a conversation about the invention of potato chips. Use the information in 1c and 1d.1eDid you know potato chips were invented by mistake?Wow, I didnt know that. Who invented them? A cook calle
9、d George Crum.When ?Oh, it was back in 1853. How were they invented?George cut the potatoes really, really thin, and he cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty. （2014.巴中中考）-Are you feeling better now?-Yes.Im _ to go to school. A.
10、good enough B. enough well C. well enough D.enough goodl（2013.山东聊城）lThe little boy _ by his brother this morning. A. made to cry B. was made to cry C. made cry D.was made cryl(2014.潍坊)lIts too cold today.You d better _ your jacket.lA. put on B.put up lC.take up D.take after 1. -Sorry, I took your um
11、brella _ mistake. -It doesnt matter. A. with B. by C. at D. in2. I know that potato chips _ by George Crum. A. invented B. was invented C. are invented D. were invented3. Mom added salt to the soup, but it still wasnt _ . A. enough sweet B. sweet enough C. salty enough D. enough salty4. This kind of
12、 soup should be boiled _ a long time. A. for B. in C. with D. at5. Hold on to your dreams, and they can come true _. A. at the end B. by the end C. in the end D. on the end C. 根据句意填入合适的形容词。根据句意填入合适的形容词。 Candy is _, salt is _, vinegar (醋醋) is _, and potato chips are _. sweetsaltysourcrispy1.Try to recite 1d.2.Check the key words.3. Learn the new words in the next class.Step 6. 家庭作业家庭作业(Homework)The end, thank you!Lets enjoy our food together .