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ID:36376776
大小:3.57 MB
页数:27页
时间:2019-05-10
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1、外研版高一年级(必修1)Module5Module5ALessoninaLabPostReadingLead-inPassageAPassageBImportantsentencesContentsWhatcanyouseeinthesepictures?BB.aimD.methodA.resultC.conclusionDACPutthesewordsinthecorrectordertodescribethestagesofascientificexperiment.Readthepassageandchoosethebe
2、sttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageAMetalsHeatedinoxygenReactionwithwaterorsteamPotassiumBurntoformanoxideReactingwithcoldwaterSodiumCalciumMagnesiumReactingwithsteamAluminiumZincIronReactsslowlyPartialreactio
3、nCopperPartialreactionNoreactionTheReactionofMetalsReadthepassageagain.Answerthesequestions.1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,calciumandsodium.2.Whathappenswhenyouheatcalciuminoxygen?Itburnstoformanoxide.3.Whichmetalsreactwithstea
4、m?Magnesium,aluminiumandzinc.4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.CompletethepassagewithproperwordsaccordingtopassageA.Metalsareveryimportant,sowhenusingthemweshouldknowhowthey_____withdifferentsubstan
5、ces.Takeironusedin________equipmentforexample,when______inoxygen,itwillreactslowly.Whenitisputtogetherwithwateror_____,therewillbeapartial_______.reactionreactelectricalheatedsteamReadthepassageandfillinthetable.IronindryairIroninair-freewaterIroninordinarywaterStag
6、eA(startingexperiment)cottonwoolwaterwaterPassageBStageB(1weeklater)StageC(Result)nailswaterIrondoesnotrustIrondoesnotrustIronrusts1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust
7、____thewatertomakesurethereisno___init.airdoesnotrustboilairReadthepassageagain.Completethesentences.4.Youadd________tothewaterbecausethiskeeps___outofit.5.Itshowsthat____doesnotrustinwaterthathasno___init.someoilairnailairCompletethepassagewithproperwordsaccordingt
8、oPassageAandB.Itishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,ironcanbeusedin________equipment.Butaboveal
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