1、Unit 6 When was it invented?人教版 英语 九年级上册Section B 1a-1eLearning goals1.Words&expressions:sour,customer,by mistake,in the end2.Functions:To give students listening and speaking practice.3.Sentence:Potato chips were invented by mistake.The customer was happy in the end.Warming upHow does the food tast
2、e?Do you like it/them?Free talksweetWarming upHow does the food taste?Do you like it/them?Free talksweet,sour,adj.酸的；有酸味的Warming upHow does the food taste?Do you like it/them?Free talksour,Warming upHow does the food taste?Do you like it/them?Free talksweet,sour,saltyadj.咸的Warming upHow does the foo
3、d taste?Do you like it/them?Free talksweet,salty,crispyadj.脆的，酥脆的Pre-listeningThe words in the box describe how food can taste.Write them under the correct pictures.Some pictures have more than one word.1asweet crispy salty sour_ _ _ _ _ _ _crispysoursaltysweetsaltyPre-listeningWrite the name of a d
4、ifferent food after each word.1b sweet _ crispy _ salty _ sour _bananafried chickencheeselemonPre-listeningTalk about the food with your partner.1b I think pineapples are sour.What food is crispy?What food is sour?Pre-listeningRead the following sentences,predict the conversation.1.Potato chips were
5、 invented by mistake.T F2.They were invented in 1863.T F3.The customer thought the potatoes were not thin enough.T F4.The customer said they were not salty enough.T F5.George wanted to make the customer happy.T F6.The customer was happy in the end.T F顾客；客户 错误地；无意中最终；最后1.Potato chips were invented by
6、 mistake.T F2.They were invented in 1863.T F3.The customer thought the potatoes were not thin enough.T F4.The customer said they were not salty enough.T F5.George wanted to make the customer happy.T F6.The customer was happy in the end.T FListen and circle T for true or F for false.1cWhile-listening
7、Listen again.Complete the sentences.While-listening1dThe 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 h
8、e put lots of salt on them so they were _.were invented1853thincrispyreally saltyListen again,answer the following questions.While-listening1.What was George Crums job?2.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,th
9、en put lots of salt on them.Post-listeningMake 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?1eExercises1.Excuse me,sir.Are you sure the umbrella in your hand belongs to y
10、ou?Oh,sorry.I took it _.Mine is over there,under the chair.A.at once B.on time C.by mistake D.in all2.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 Exercises1.He sent an email to Mary last night.（改为被动语态）A
11、n email _ _ to Mary _ _ last night.2.I was given a new toy by my aunt last week.（改为主动语态）My aunt_ _ a new toy last week.3.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 meWas used Exercises4.The short novel was writt
12、en 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.6.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 mistakeSummaryHomeworkLook 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.THANKS谢谢聆听！
