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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,单击此处编辑母版标题样式,Unit6 When was it invented?,Section A (1a2d),自主预习案,sour,/,sa(r),/,adj.,酸的,haw,自主预习案,crispy,/,krsp,/,adj.,脆的,lotus root,自主预习案,n.,顾客,customer,by mistake,错误地,in the end,最后,for a long time,很久,sweet,salty,hot,sour,pie,cookie,s,sweet,crispy,What food would you prefer to eat?,How does it/do they taste?,It tastes/They taste,随堂导学案,bitter,crispy and salty,sour,sweet,The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.,salty,1a,sweet crispy salty sour,Write the name of a different food after each word.,1b,sweet,banana, apple, orange, cake, sugar,crispy,salty,sour,French fries,popcorn,lettuce,pizza salt,pickle, plum, vinegar,How do they taste?,Do you like potato chips?,The history of chips,When were potato chips invented?,Who were potato chips invented by?,How were potato chips invented?,Listen and circle T for true of F for false.,The potato chips were invented by mistake.,They were invented in 1863.,The,customer,thought the potatoes werent thin enough.,The customer said they werent salty enough.,George wanted to make the customer happy.,The customer was happy,in the end,.,T F,T F,T F,T F,T F,T F,1c,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,.,The History of Potato chips,were invented,1853,crispy,salty,Listen again. Complete the sentences.,1d,thin,1e,Pair Work,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:,Key points,1.by mistake,介词短语，意为“弄错；错误地”,make mistakes,意为“犯错，出错”,mistake,for,意为“把误认为”,2.He wanted to make the customer happy.,他想使客人高兴。,make,sb.,do,sth.,“让,/,使某人做某事”,make,sb./sth.+,adj.,“使某人,/,某物怎么样”,make,sb./sth.+,n.,“使某人,/,物成为,”,Key points,3.in the end=at,last=finally,“,最后，终于”,4.until,的用法,until,用于肯定句中，意为“一直,为止”，主句中的谓语动词必须是延续性动词。,eg,：,他每天工作到半夜。,He,works until midnight every day.,until,用于否定句中，即,notuntil,意为“直到,才”。若主句为将来时，从句常用一般现在时。,eg,：,They,wont leave until they finish the work,.,1.,薯片是意外的发明的。,Potato chips were invented _ _.,2.,顾客说他们不够咸。,The customer said they,were _ _ _.,3.,乔治想使顾客高兴。,George wanted to,_ the customer _ .,4.,顾客最终高兴了。,The customer was,happy _ _ _.,5.,你知道薯片是如何发明的？,Do you know,_ potato chips _ _?,by mistake,Practice,not salty enough,make,happy,in the end,how,were invented,
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