英语人教版九年级全册Unit6 SectionB 1a-1e.ppt

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1、Unit6SectionBPeriod1(1a—1e)ReviewTranslatethephrases.spreadtoothercountriesbyaccidentItissaid…overanopenfirefallintothewatertakeplacewithoutdoubt流传到其它国家偶然；意外地据说…在户外的火上掉入水中；落入水中发生；出现毫无疑问；的确crispysaltyDescribehowthefoodtastes.soursweetsaltyCanyounameanycrispyfood

2、?friedpeanutscookiesCanyounameanysourfood?cookieshawthornfruitdried plumCanyounameanysaltyfood?pickledvegetable(泡菜)Canyounameanysweetfood?Doyoulikeeatingpotatochips?Whichkindoftastedoyoulike?Doyouknowhowtheywereinvented?FreeTalkTFTF1cListenandcircleTfortrueorFf

3、orfalse.1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.TFTFTFTFWhenwerepotatochipsinvented?W

4、heredidGeorgework?Listenagainandanswerthequestions.Theywereinventedin1853.Heworkedinarestaurant.ThehistoryofpotatochipsDoyouknowhowpotatochipswereinvented?Potatochips________________byacookcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcutthepotatoesreally

5、,really______andthencookedthemforalongtimeuntiltheywere___________.Finallyheputlotsofsaltonthemsotheywere_____________.wereinvented1853thincrispy1dListenagain.Completethesentences.reallysaltyMakeaconversationabouttheinventionofpotatochips.PairWorkDoyouknowhowsa

6、ndwichwasinvented?ItissaidthesandwichwasinventedinEnglandinthe18thcenturybyJohnMontagu,4thEarlofSandwich.Heaskedhisservantstoprepareachunkofmeatbetweentwoslicesofbread,sothathecouldcarryongamblingwithoutstoppingtoeat.Doyouknowhowpost-itnoteswereinvented?Invento

7、r:SpencerSilver,aresearcherin3MLaboratoriesWhathewastryingtomake:Astrongadhesive(粘着剂)Howitwascreated:Whileworkingaway,Silvercreatedanadhesivethatwasactuallyweakerthanwhatalreadyexisted.Itstucktoobjectsbutcouldbepulledoffeasilywithoutleavingamark.Yearslateracoll

8、eaguespreadthesubstanceonlittlepiecesofpapertomarkhisplaceinhischoir(唱诗班)hymnbook(赞美诗集),andtheideawasborn.Doyouknowhowcornflakeswereinvented?Inventor:TheKelloggbrothers,John