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1、Unit1LivingGreenKeytoExercisesOpenerSuggestedanswersforreference1.Therearealotofsimplethingswecandotodecreaseenergyconsumption.Herearejustafewexamples:Useenergyefficientlightbulbsforourmost-usedlights.Whenweleavearoom,turnoffthelight.Turnoffourcomputer/laptopwhenwearenotusingit.Save
2、water.Takequickershowers.Whenbrushingteethweshouldnotleavefaucetrunning.Usereusableclothshoppingbagsthataremadefromplantfibers.Wheneverpossible,walk,bike,carpool,orusepublictransportation.2.Oldclothesandbooks:Otherpeoplecanreuseourunwantedclothesandbooksifwedonatethem.Oldclothescana
3、lsobemadeintootheritemssuchascushioncovers.Oldelectricalequipment:Donateoldelectricalequipmenttoschoolsorcommunitycenterssothatotherscanreusethem.Rechargeablebatteries:Unlikeregularbatteriesthatcreateunnecessarywaste,rechargeablebatteriescanbereusedmanytimesbeforetheyneedtobethrowna
4、way.Jarsandpots:Bycleaningglassjarsandsmallpots,wecanusethemassmallcontainerstostoreoddsandends（零星物品）.3.Livinggreenmeansreducingone’scarbonfootprint,or,moregenerally,makingassmallanimpactonthenaturalenvironmentaspossible.Yes,Ihavethoughtaboutit.Icantakesomesmallstepstorestrictenergy
5、consumption.Forexample,takingshorter,coolershowers.InthatwayIcansaveenergybyminimizinghotwateruse.Reading&InteractingI.UnderstandingtheText1.TextOrganizationPartsParagraphsMainIdeasPartOneParas.1-4Thewriterandherfamilywantedtoslowthingsdownanddecidedtomovetoapropertythatwasoffthegri
6、d.PartTwoParas.5-10Livingoffthegrid,thewriter’sfamilyhadtodealwithalotofbigchallenges,andyetmeanwhilegainedmanybenefits.PartThreePara.11Conclusion:Goingoffthegridwasagreatexperienceforthewriter’sfamily.2.ComprehensionCheck2.1FocusingonthemainideasAfterlivinginthecityofLasVegasforyea
7、rs,AlisonZeuschelandherfamilydecidedtomovetothecountryside.TheirhomehuntingendedupinaverysmalltowninArizonawheretheypurchasedahouseon40acresthatwasnotonlyoffthegrid,butwithoutaccesstoany(public)utilities.Justimaginethechallengesfacingthem,suchasgeneratingtheirownpowerandhaulingtheir
8、ownwater.However,th
