1、学练优九年级英语（学练优九年级英语（RJRJ）教学课件教学课件Unit 6 When was it invented?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?What did they eat?Ice-cream.What did the big dog thi
2、nk of the ice-cream?Sweet,cool,and delicious!Lead inHow will the bread and snack taste?Sweet and delicious.Can you think of any other flavor?Salty,hot,bitter,sour,fresh sweet甜的甜的crispy脆的脆的 salty咸的咸的How do they taste?hot辣的辣的bitter苦的苦的red bayberriespepperssour酸的酸的Presentationcookiescrispylemonssourswe
3、etcandysaltyice creamteadeliciousniceawfulpruneThe words in the box describe how food can taste.Write them under the correct pictures.Some pictures have more than one word.1a1a _ _ _ _ _ _ _ _crispysoursaltysweet cold delicioussweet crispy salty soursaltyadj.脆的；酥脆的脆的；酥脆的adj.酸的酸的adj.咸的咸的freshsweet _c
4、rispy _salty _sour _Write the name of a different food after each word.bananaappleBeijing Duckpotato chips grapecandycrackercookiesaltsalted fishlemon1b1b1.Potato chips were invented by mistake.2.They were invented in 1863.3.The customer thought the potatoes were not thin enough.Listen and circle T
5、for true or F or false.T FT FT F1c1c4.The customer said they were not salty enough.5.George wanted to make the customer happy.6.The custom was happy in the end.T FT F T Fn.顾客顾客What are needed?The potatoes are cut into slices.The slices are cooked in the pan.The pepper and tomatoes are sprinkled.pota
6、to chipsWho were potato chips invented by?When were potato chips invented?George Crumchef1.Who invented potato chips?They were invented by a cook called George Crum.2.When were they invented?In 1853.Listen and answer the questions.3.What did the custom order at the restaurant?He ordered a plate of f
7、ried potatoes.5.How did George cook the potatoes then?He cut the potatoes really,really thin and cooked them for a long time until they were crispy.And he put lots of salt on them so they were really salty.4.What did the custom think of the potato chips George cooked at first?He thought they were cu
8、t too thick.The History of Potato ChipsDo you know how potato chips were invented?Potato chips _ by a cook called George Crum.They were invented in _.Listen again.Complete the sentences.were invented18531d1dGeorge Crum cut the potatoes really,really _ and then cooked them for a long time until they
9、were _.Finally he put lots of salt on them so they were _.thinreally saltycrispyMake a conversation about the invention of potato chips.Use the information in 1c and 1d.1e1eDid you know potato chips were invented by mistake?Wow,I didnt know that.Who invented them?Its said that they were invented by
10、a cook called George Crum.When was that?Oh,it was back in 1853.Why was it an accident?One day,a customer ordered a plate of fried potatoes.George cooked them for him.When the potatoes came,he said they were cut too thick and sent them back to the kitchen.So what happened?George was angry,so he cut t
11、he 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.He thought the customer would hate them.And then?And the customer loved them and asked for more.He told the other customers about them,and soon everyone was ordering thinly cut,crispy,salty potato chips.Summary1.Learned the history of potato chips.2.Learned how to describe the taste of food.Homework1.Memorize the new words.2.Do the exercises in students book.3.Preview the passage in 2b.Thank you!
