Unit 6 When was it invented?,人教版 英语 九年级上册,Section B 1a-1e,Unit 6 When was it invented?人教,Learning goals,1.,Words&expressions:,sour,customer,by mistake,in the end,2.,Functions:,To give students listening and speaking practice.,3.,Sentence:,Potato chips were invented by mistake.,The customer was happy in the end.,Learning goals1.Words&expre,Warming up,How does the food taste?Do you like it/them?,Free talk,sweet,Warming upHow does the food ta,Warming up,How does the food taste?Do you like it/them?,Free talk,sweet,sour,adj.,酸的；有酸味的,Warming upHow does the food ta,Warming up,How does the food taste?Do you like it/them?,Free talk,sour,Warming upHow does the food ta,Warming up,How does the food taste?Do you like it/them?,Free talk,sweet,sour,salty,adj.,咸的,Warming upHow does the food ta,Warming up,How does the food taste?Do you like it/them?,Free talk,sweet,salty,crispy,adj.,脆的，酥脆的,Warming upHow does the food ta,Pre-listening,The words in the box describe how food can taste.Write them under the correct pictures.Some pictures have more than one word.,1a,sweet crispy salty sour,_ _ _ _,_ _ _ _,crispy,sour,salty,sweet,salty,Pre-listeningThe words in the,Pre-listening,Write the name of a different food after each word.,1b,sweet,_,crispy _,salty _,sour _,banana,fried chicken,cheese,lemon,Pre-listeningWrite the name of,Pre-listening,Talk about the food with your partner.,1b,I think pineapples are sour.What food is crispy?,What food is sour?,Pre-listeningTalk about the fo,Pre-listening,Read the following sentences,predict the conversation.,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.The customer was happy in the end.T F,顾客；客户,错误地；无意中,最终；最后,Pre-listeningRead the followin,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.The customer was happy in the end.T F,Listen and circle,T,for true or,F,for false.,1c,While-listening,1.Potato chips were invented,Listen again.Complete the sentences.,While-listening,1d,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,Listen again.Complete the sen,Listen again,answer the following questions.,While-listening,What was George Crums job?,What did the cook do with the thick potatoes then?,He was a cook.,He cut the potatoes really thin and cooked them for a long time,then put lots of salt on them.,Listen again,answer the follo,Post-listening,Make a conversation about the invention of potato chips.Use the information in 1c and 1d.,Wow,I didnt know that.Who invented them?,Did you know potato chips were invented by mistake?,1e,Post-listeningMake a conversat,Exercises,Excuse me,sir.Are you sure the umbrella in your hand belongs to you?,Oh,sorry.I took it _.Mine is over there,under the chair.,A.at once B.on time,C.by mistake D.in all,The high-speed railway _ in this city last year.It is easier for people to travel now.,A.will build B.will be built,C.was built D.built,一,、单选,C,C,Exercises Excuse me,sir.Are,Exercises,He sent an email to Mary last night.,（改为被动语态）,An email _ _ to Mary _ _ last night.,I was given a new toy by my aunt last week.,（改为主动语态）,My aunt_ _ a new toy last week.,This strange cup was used for keeping water warm.,（改为一般疑问句）,_ this strange cup _ for keeping water warm?,was sent,二、按要求改写句子,by him,gave me,Was used,ExercisesHe sent an email to M,Exercises,4.The short novel was written by,Lu Xun,.,（对划线部分提问）,_ _ the short novel _ _?,5.Many trees were planted along the river last year.,（改为否定句）,Many trees _ _ along the river last year.,对不起，我错拿了你的字典。（翻译句子）,Im sorry,I took your dictionary_ _.,Who was written by,二、按要求改写句子,werent planted,by mistake,Exercises4.The short novel,Summary,Summary,Homework,Look up some information about one invention you are interested in,write it down,you can tell us when and how it was invented,who invented it and other things you know about it.,HomeworkLook up some informati,THANKS,谢谢聆听！,THANKS谢谢聆听！,