九年级英语全册 Unit 6 When was it invented Section B 1课件 （新版）人教新目标版.ppt

Unit6,SectionBPeriod1(1a1e),Review,Translatethephrases.,spreadtoothercountriesbyaccidentItissaidoveranopenfirefallintothewatertakeplacewithoutdoubt,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,crispysalty,Describehowthefoodtastes.,sour,sweet,salty,Canyounameanycrispyfood?,friedpeanuts,cookies,Canyounameanysourfood?,cookies,hawthornfruit,driedplum,Canyounameanysaltyfood?,pickledvegetable(泡菜),Canyounameanysweetfood?,Doyoulikeeatingpotatochips?Whichkindoftastedoyoulike?Doyouknowhowtheywereinvented?,FreeTalk,TF,TF,1cListenandcircleTfortrueorFforfalse.,1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.,TF,TF,TF,TF,Whenwerepotatochipsinvented?WheredidGeorgework?,Listenagainandanswerthequestions.,Theywereinventedin1853.,Heworkedinarestaurant.,Thehistoryofpotatochips,Doyouknowhowpotatochipswereinvented?Potatochips_byacookcalledGeorgeCrum.Theywereinventedin_.GeorgeCrumcutthepotatoesreally,really_andthencookedthemforalongtimeuntiltheywere_.Finallyheputlotsofsaltonthemsotheywere_.,wereinvented,1853,thin,crispy,1dListenagain.Completethesentences.,reallysalty,Makeaconversationabouttheinventionofpotatochips.,PairWork,Doyouknowhowsandwichwasinvented?,ItissaidthesandwichwasinventedinEnglandinthe18thcenturybyJohnMontagu,4thEarlofSandwich.Heaskedhisservantstoprepareachunkofmeatbetweentwoslicesofbread,sothathecouldcarryongamblingwithoutstoppingtoeat.,Doyouknowhowpost-itnoteswereinvented?,Inventor:SpencerSilver,aresearcherin3MLaboratoriesWhathewastryingtomake:Astrongadhesive(粘着剂)Howitwascreated:Whileworkingaway,Silvercreatedanadhesivethatwasactuallyweakerthanwhatalreadyexisted.Itstucktoobjectsbutcouldbepulledoffeasilywithoutleavingamark.Yearslateracolleaguespreadthesubstanceonlittlepiecesofpapertomarkhisplaceinhischoir(唱诗班)hymnbook(赞美诗集),andtheideawasborn.,Doyouknowhowcornflakeswereinvented?,Inventor:TheKelloggbrothers,JohnandWillWhattheyweretryingtomake:ApotofboiledgrainHowitwascreated:Thebrothersaccidentallyleftapotofboiledgrainonthestoveforseveraldays.Themixtureturnedmoldy(发霉的)buttheproductthatemergedwasdryandthick.Throughexperimentationtheyremovedthemoldpartandcreatedcornflakes.,Talkaboutotherfoodyouknow.Howweretheyinvented?,FreeTalk,1.bymistake错误地Itookhisbackpackbymistake.我错拿了他的书包。Heputsaltinhercupofteabymistake.他错把盐放进她的茶杯里。,Languagepoints,mistake1.n.错误Iusedtomakemistakesinspelling我过去常常犯拼写错误。2.v.弄错;误解Youmistookmymeaningentirely.你完全误解了我的意思。mistake.for.错把当成DontmistakemeforanAmerican.不要把我误会成美国人。,bymistake与byaccident1)bymistake意为“错误地”Itookherumbrellabymistakelastnightbecausetheyarethesamestyle昨晚我错拿了她的雨伞，因为它们的样式一样。2)byaccident意为“偶然地；意外地”Theideacametohimbyaccident很偶然地他想到了这个主意。,知识链接,Imsorrytotakeyourumbrella_yesterday;herestheumbrellaA.byaccidentB.bythewayC.byguessD.bymistake解析：byaccident意为“偶然地”，bymistake意为“错误地”，bytheway“顺便提一下”。本句意为“很抱歉我昨天错拿了你的雨伞，这是那把雨伞”。,D,【2012江苏无锡】完成句子别再犯如此愚蠢的错误了，否则你只能另谋高就了。Dont_,oryouwillhavetofindanotherjob.,makesuchsillymistakesanymore,/makesuchasillymistakeanymore,【2013湖北黄石】.完成句子抱歉，我错拿了你的包。Sorry,Itookyourbag_.【2013甘肃兰州】根据所给汉语提示完成下列句子。那个小孩在登山中意外地摔伤了腿。Thatchildbrokehisleg_whenhewasclimbingthemountain.,bymistake,byaccident,2.intheend最后，终于(相当于finally或atlast)Intheend,theyfoundtheirteacher.最后，他们找到了他们的老师。Iwassavedintheend.我最后获救了。,bytheend常和of相连，用于指时间，意为“到底(末)为止”Theycanfinishtheworkbytheendofthismonth.到这个月底的时候，他们能完成这项工作。,知识链接,attheendof可以指时间，也可指处所，意为“在尽头，在结束时”。Attheendoftheroad,youcanseetheshop.在这条路的尽头，你能看到那家商店。Attheendoflastterm,wehadanEnglishexam.上在学期结束时，我们举行了一次英语测试。,他在花园的尽头的那边。Heisdown_thegarden.最后，我们找到了这座房屋。_wefoundthehouse.到战争结束时,这个小铺子已经变成有728个工人的大厂了。_,thesmallwork-shophadbecomealargefactorywith728workers.,attheendof,Intheend,Bytheendofthewar,2.薯片是一个名叫乔治克拉姆的厨师发明的。Potatochips_acook_GeorgeCrum.3.而且他在它们上面放了很多盐。Andhe_lotsofsalt_them.,完成句子。1.薯片是由于失误而被发明的。Potatochips_.,Exercise,were,invented,by,mistake,were,invented,by,called,put,on,4.根据句意填入合适单词。Candyis_,saltis_,vinegaris_,andpotatochipsare_.5.翻译下面的句子。那个厨师错把糖放进了汤里。Thecookputsugarintothesoupbymistake.,sweet,salty,sour,crispy,单项选择1.-Sorry,Itookyourumbrella_mistake.-Itdoesntmatter.A.withB.byC.atD.in2.Iknowthatpotatochips_byGeorgeCrum.A.inventedB.wasinventedC.areinventedD.wereinvented,B,D,3.Momaddedsaltto