高11-12学年高一英语必修1课件：Module 5 A lesson in a Lab Readi

Module5ALessoninaLabReadingandVocabulary胡维芳夏季出汗需多补钾香蕉富含有钾potassium钾newwordssodiumcopper(铜)magnesiumaluminium（铝）Iron(铁)zinc（锌）calcium(钙)potassiumsodiumcalciummagnesiumaluminiumzincironcopperWhatwasitmadeof?Itishtthinkofaworldwm.Differentmetalshaveduses,fe,steelisuincars,andironisusedineequipment.Whenweusemetals,itisimportanttoknowhowtheyrwithdifferents,forexample,waterando.Therofmetalswiththesesubstancescanbepio.Hereisatablewiththemetalsthatreactmostatthet,andthemetalsthatreactleastatthebottom.MetalHeatedinoxygenReactionwithwaterandsteamPotassiumBurnstoformanoxide*ReactingwithcoldwaterSodiumCalciumMagnesiumReactingwithsteamAluminumZineIronReactsslowlyPartialreactionCopperPartialreactionNoreactionanoxide*=anothersubstance+oxygen•1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?•2.Whathappenswhenyouheatcalciuminoxygen?•3.Whichmetalsreactwithsteam?•4.Doesironhaveasloworfastreactionwithsteam?•5.Doescopperreactwithwater?Potassium,calciumandsodiumItburnstoformanoxide.Magnesium,Aluminiumandzinc.Ithasaslowreaction.No,itdoesn't.1.Itishardtothinkofaworldwithoutmetals.2.Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.3.Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.4.Thereactionofmetalswiththesesubstancescanbeputinorder.5.Hereisatablewiththemetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom.1.Itishardtothinkofaworldwithoutmetals.很难想象一个没有金属的世界。Itis/was+adj.+forsb.+todosth.It为形式主语，真正的主语是动词不定式短语tothinkof.eg.爬那座小山是容易的。It’seasytoclimbthehill.(2010,全国大纲卷II，14)ThedoctorthoughtDwouldbegoodforyoutohaveaholiday.A.thisB.thatC.oneD.it2.Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.不同的金属有不同的用途，比如，钢用来造车，铁用来造电力设备。forexample,suchas,thatis比如electricaladj.electricityn.equipment(uncountablenoun)equipV.3.Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.使用金属时，要了解金属和不同物质（例如水和氧气）如何发生反应，这一点很重要。When引导时间状语从句。Itis/was+adj.+forsb.todosth.reactv.reactto….对…有反应eg.Plantsreacttolight.reactwith….同…反应reactagainstsb./sth.….反对某人/某物reactionn.reactiveadj.4.Thereactionofmetalswiththesesubstancescanbeputinorder.（不同的）金属与这些物质的反应程度可以按顺序排列起来。putsth.inorder把某物按顺序排列inorderoutoforder有序的（地）；无序的（地）.eg.Lily,putyourthingsinorderafteryouplaywiththem.orderv.命令ordersb.todosth.eg.Theleaderorderedustoarriveattheparkatsixo’clock5.Hereisatablewiththemetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom.下面是一张金属反应表，列于顶部的金属反应最剧烈，下面的则最缓慢。Itishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.Thereactionofmetalswiththesesubstancescanbeputinorder.Hereisatablewiththemetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom.DoyouthinkitisscientifictomakeGoujianSwordbyusingcopperAfterlearningPassageADecidewhetherthesestatementsaretrueorfalseaccordingtoPassageA.•1.Differentmetalshavedifferentuses.•2.Thereactionofmetalswithdifferentsubstancesisthesame.•3.Magnesiumcanformanoxidewhenheatedinoxygen.•4.Ironreactswithcoldwater.•5.Copperreactsmostwhenheatedinoxygen.TFTFFChoosethebesttitleforPassageA.•1.TheDifferentUsesofMetals•2.TheReactionofMetals•3.TheReactionofMetalswithOxygen