山东省九年级英语全册 Unit 6 When was it invented（第3课时）课件 新人教版.ppt

Unit6Whenwasitinvented?,SectionB(1a-1e),第三课时,Step1Warmingup1.LetSswatchaninterestingpicture.2.Asksomequestionsaboutthem.Whatdidtheyeat?S1:Ice-cream.Whatdidthebigdogthinkoftheice-cream?S2:Sweet,cool,anddelicious!Well，letslookatsomeotherdeliciousfood,please.,Step2TalkingWorkon1a：1.TellSsthatthewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.2.Ssworkwiththeirpartnersandtrytowritesomeproperwordsunderthepictures.3.LetsomeSsreadouttheiranswers.Trytorememberthenewwords.,Workon1b：1.LetsomeSsreadouttheadjectivewordsinthebox.Makesuretheyallknowthemeaningofeachword.2.Ssdiscusswiththeirpartners.Trytowritethenameofadifferentfoodaftereachword.,Step3ListeningWorkon1c：1.TellSstheconversationisabouthowthepotatochipswereinvented.Thestoryisveryinteresting.2.First,letsomeSsreadoutthesentencesin1c.Makesuretheyknowthemeaningofeachsentence.,（1）Potatochipswereinventedbymistake.（2）Theywereinventedin1863.（3）Thecustomerthoughtthepotatoeswerenotthinenough.（4）Thecustomersaidtheywerenotsaltyenough.（5）Georgewantedtomakethecustomerhappy.（6）Thecustomwashappyintheend.,3.PlaytherecordingfortheSs.Listenforthefirsttime.PlaytherecordingagainandjudgeTorF.Keys:T,F,T,F,F,T4.Listenagainandanswerthequestions.（1）Whoinventedpotatochips?（2）Whenweretheyinvented?（3）Whatdidthecustomerorderattherestaurant?（4）WhatdidthecustomerthinkofthepotatochipsGeorgecookedatfirst?（5）HowdidGeorgecookthepotatoesthen?.,Workon1d：1.LetSsreadthearticlein1dfirst.TellSstolistenagainandfillintheblankswiththerightwords.2.PlaytherecordingagainfortheSstolistenandcompletethesentences.,TheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?PotatochipsbyacookcalledGeorgeCrum.Theywereinventedin.GeorgeCrumcutthepotatoesreally,reallyandthencookedthemforalongtimeuntiltheywere.Finallyheputlotsofsaltonthemsotheywere.,Keys:wereinvented,1853,thin,crispy,reallysalty,Step4Pairwork1.Workinpairs.Makeaconversationabouttheinventionofp