英语人教版九年级全册unit6 3.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?friedp

2、eanutscookiesCanyounameanysourfood?cookieshawthornfruitdried plumCanyounameanysaltyfood?pickledvegetable(泡菜)Canyounameanysweetfood?Doyoulikeeatingpotatochips?Whichkindoftastedoyoulike?Doyouknowhowtheywereinvented?FreeTalkTFTF1cListenandcircleTfortrueorFforfalse.1.Pota

3、tochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.TFTFTFTFWhenwerepotatochipsinvented?WheredidGeorgework?Lis

4、tenagainandanswerthequestions.Theywereinventedin1853.Heworkedinarestaurant.ThehistoryofpotatochipsDoyouknowhowpotatochipswereinvented?Potatochips________________byacookcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcutthepotatoesreally,really______andthencookedth

5、emforalongtimeuntiltheywere___________.Finallyheputlotsofsaltonthemsotheywere_____________.wereinvented1853thincrispy1dListenagain.Completethesentences.reallysaltyMakeaconversationabouttheinventionofpotatochips.PairWorkDoyouknowhowsandwichwasinvented?Itissaidthesandwi

6、chwasinventedinEnglandinthe18thcenturybyJohnMontagu,4thEarlofSandwich.Heaskedhisservantstoprepareachunkofmeatbetweentwoslicesofbread,sothathecouldcarryongamblingwithoutstoppingtoeat.Doyouknowhowpost-itnoteswereinvented?Inventor:SpencerSilver,aresearcherin3MLaboratorie

7、sWhathewastryingtomake:Astrongadhesive(粘着剂)Howitwascreated:Whileworkingaway,Silvercreatedanadhesivethatwasactuallyweakerthanwhatalreadyexisted.Itstucktoobjectsbutcouldbepulledoffeasilywithoutleavingamark.Yearslateracolleaguespreadthesubstanceonlittlepiecesofpapertomar

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