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1、Unit1LivingGreenKeytoExercisesOpenerSuggestedanswersforreference1.Therearealotofsimplethingswecandotodecreaseenergyconsumption.Herearejustafewexamples:Useenergyefficientlightbulbsforourmost-usedlights.Whenweleavearoom,turnoffthelight.Turnoffourcomputer/laptopwhenwearenotusingit.Savewater.Takequi
2、ckershowers.Whenbrushingteethweshouldnotleavefaucetrunning.Usereusableclothshoppingbagsthataremadefromplantfibers.Wheneverpossible,walk,bike,carpool,orusepublictransportation.2.Oldclothesandbooks:Otherpeoplecanreuseourunwantedclothesandbooksifwedonatethem.Oldclothescanalsobemadeintootheritemssuc
3、hascushioncovers.Oldelectricalequipment:Donateoldelectricalequipmenttoschoolsorcommunitycenterssothatotherscanreusethem.Rechargeablebatteries:Unlikeregularbatteriesthatcreateunnecessarywaste,rechargeablebatteriescanbereusedmanytimesbeforetheyneedtobethrownaway.Jarsandpots:Bycleaningglassjarsands
4、mallpots,wecanusethemassmallcontainerstostoreoddsandends（零星物品）.3.Livinggreenmeansreducingone’scarbonfootprint,or,moregenerally,makingassmallanimpactonthenaturalenvironmentaspossible.Yes,Ihavethoughtaboutit.Icantakesomesmallstepstorestrictenergyconsumption.Forexample,takingshorter,coolershowers.I
5、nthatwayIcansaveenergybyminimizinghotwateruse.Reading&InteractingI.UnderstandingtheText1.TextOrganizationPartsParagraphsMainIdeasPartOneParas.1-4Thewriterandherfamilywantedtoslowthingsdownanddecidedtomovetoapropertythatwasoffthegrid.PartTwoParas.5-10Livingoffthegrid,thewriter’sfamilyhadtodealwit
6、halotofbigchallenges,andyetmeanwhilegainedmanybenefits.PartThreePara.11Conclusion:Goingoffthegridwasagreatexperienceforthewriter’sfamily.2.ComprehensionCheck2.1FocusingonthemainideasAfterlivinginthecityofLasVegasforyears,AlisonZeuschelandherfamilydecidedtomovetothecountryside.Theirhomehuntingend
7、edupinaverysmalltowninArizonawheretheypurchasedahouseon40acresthatwasnotonlyoffthegrid,butwithoutaccesstoany(public)utilities.Justimaginethechallengesfacingthem,suchasgeneratingtheirownpowerandhaulingtheirownwater.However,th
