外研版高一年级(必修1)Module5ReadingReadingBBB.aimD.methodA.resultC.conclusionDDAACCThestepsofascientificThestepsofascientificexperimentexperimentReadthepassageasquicklyasyoucanandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageATheReactionofMetalsTheReactionofMetalsAim:Apparatus:Methods:Result:Conclusion:Howdifferentmetalsreactwithwaterandoxygen.(1)Heatedinoxygen(1)Heatedinoxygen(2)putintowaterorsteam(2)putintowaterorsteamMetalsHeatedinoxygenReactionwithwaterorsteamPotassiumBurntoformanoxideReactingwithcoldwaterSodiumCalciumMagnesiumReactingwithsteamAluminiumZincIronReactsslowlyPartialreactionCopperPartialreactionNoreactionTheReactionofMetals1.Itiseasytodoexperimentsinalab在实验室里做实验很容易。2.ItisnotsodifficulttostudyEnglishwell.学好英语并不难。3.Yourbooksareoutoforder,youshouldputtheminorder.你的书太乱了,你应该把它们按顺序放好。4.Yournameisatthetopofthelist.你的名字在名单的最前面。Readthepassageagainandanswerthefollowingquestions:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,calciumandsodium.2.Whathappenswhenyouheatcalciuminoxygen?Itburnstoformanoxide.3.Whichmetalsreactwithsteam?Magnesium,aluminiumandzinc.4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.CompletethepassagewithproperwordsaccordingtopassageA.Metalsareveryimportant,sowhenusingthemweshouldknowhowthey_____withdifferentsubstances.Takeironusedin________equipmentforexample,when______inoxygen,itwillreactslowly.Whenitisputtogetherwithwateror_____,therewillbeapartial_______.reactionreactelectricalheatedsteamReadthepassageandfillinthechart.PassageBIronindryairIroninair-freewaterIroninordinarywaterStageA(startingexperiment)cottonwoolwaterwaterStageB(1weeklater)StageC(Result)nailswaterIrondoesnotrustIrondoesnotrustIronrusts1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust____thewatertomakesurethereisno____init.airdoesnotrustboilairReadthepassageagainandcompletethesentences.4.Youadd_________tothewaterbecausethiskeeps____outofit.5.Itshowsthat____doesnotrustinwaterthathasno____init.someoilairnailairCompletethepassagewithproperwordsaccordingtoPassageAandB.Itishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,ironcanbeusedin________equipment.Butaboveallweshouldknowwhetheritwill____underelectricalreactdifferentconditions.Otherwiseitwillkeeptheequipmentfromworkingwell.Asweallknow,ifironisheatedinoxygen,itwillreactslowlybutwillnotforman_____.oxideOntheotherhand,ifitisputtogetherwithwateror_____,therewillbea______reaction.Nextlet’sdoan__________tosupporttheabove.First,getatesttubefilledwithwaterandputitoverthe_____________to___forthreeminutes.steampartialexperimentBunsenburnerboilThenputthreeorfourcleannailsinthewaterwithsomeoiladdedtoitandleavethetubeforoneweek.Whathappens?Theirondoesnot____inair-freewater.Anotherexperiment,ifyouputthenailsinthetubewiththeairinitforoneweek,thenwhathappens?Ironrustsin_______water.rustordinary1.Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.=Whenweusemetals,weshouldknowhowmetalsreactwithdifferentsubstances,forexample,waterandoxygen,whichisveryimportant.本句是一个复合句，其中when引导时间状语从句；...
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