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ScientistsproposeplacingseismicstationsonthefloorofthePacificOceantowarnthreatenedcoastalcommunitiesonthenorthwesterncoastoftheUnitedStatesofapproachingtidalwavescausedbyearthquakes.Sinceforewarnedcommunitiescouldtakestepstoevacuate,manyoftheinjuriesanddeathsthatwouldotherwiseoccurcouldbeavoidedifthe wouldimplementthisproposal.Theanswertowhichofthefollowingquestionswouldbemostimportantindeterminingwhetherimplementingtheproposalwouldbelikelytoachievethedesiredresult?AWhenwasthelasttimethatthecoastalcommunitieswerethreatenedbyanapproachingtidalwave?BHowfarbelowsealevelwouldthestationsbeCWouldtherebeenoughtimeafterreceivingwarningofanapproachingtidalwaveforcommunitiestoevacuatesafely?DHowsoonafteratidalwavehitslandisitsafeforevacueestoreturntotheirECanthestationsbeequippedtocollectandrelayinformationaboutphenomenaotherthantidalwavescausedbyearthquakes?Althoughcustomprostheticbonereplacementsproducedthroughanewcomputer-aideddesignprocesswillcostmorethantwiceasmuchasordinaryreplacements,customreplacementsshouldstillbecost-effective.Notonlywillsurgeryandrecoverytimebereduced,butcustomreplacementsshouldlastlonger,therebyreducingtheneedforfurtherhospitalstays.Whichofthefollowingmustbestudiedinordertoevaluatetheargumentpresentedabove?ATheamountoftimeapatientspendsinsurgeryversustheamountoftimespentrecoveringfromsurgeryBTheamountbywhichthecostofproducingcustomreplacementshasdeclinedwiththeintroductionofthenewtechniqueforproducingthem分析B選項:CThedegreetowhichtheuseofcustomreplacementsislikelytoreducetheneedforrepeatsurgerywhencomparedwiththeuseofordinaryreplacements分析C選項:DThedegreetowhichcustomreplacementsproducedwiththenewtechniquearemorecarefullymanufacturedthanareordinaryreplacements ETheamountbywhichcustomreplacementsproducedwiththenewtechniquewilldropincostastheproductionprocedures estandardizedandapplicableonalargerscaleGuitarstringsoftengo"dead"— elessresponsiveandbrightintone—afterafewweeksofintenseuse.Aresearcherwhosesonisaclassicalguitaristhypothesizedthatdirtandoil,ratherthanchangesinthematerialpropertiesofthestring,wereresponsible.Whichofthefollowinginvestigationsismostlikelytoyieldsignificantinformationthatwouldhelpevaluatetheresearcher'shypothesis?ADeterminingwhetherametalalloyisusedtomakethestringsusedbyclassicalguitaristsBDeterminingwhetherclassicalguitaristsmaketheirstringsgodeadfasterthandofolkguitaristsCDeterminingwhetheridenticallengthsofstring,ofthesamegauge,godeadatdifferentrateswhenstrungonvariousbrandsofguitarsDDeterminingwhetheradeadstringandanewstringproducedifferentqualitiesofsoundEDeterminingwhethersmearingvarioussubstancesonnewguitarstringscausesthemtogodeadLeadersofaminers'uniononstrikeagainstCoalcoarecontemplatingadditionalmeasurestopressurethecompanytoaccepttheunion'scontractproposal.TheunionleadersareconsideringastheirprincipalnewtacticaconsumerboycottagainstGascogasstations,whichareownedbyEnergyIncorporated,thesamecorporationthatownsCoaico.TheanswertowhichofthefollowingquestionsisLEASTdirectlyrelevanttotheunionleaders'considerationofwhetherattemptingaboycottofGascowillleadtoacceptanceoftheircontractproposal?AWouldrevenuelossesbyGascoseriouslyaffectEnergyBCancurrentGascocustomerseasilyobtaingasolineCHaveotherminers'unionswoncontractssimilartotheoneproposedbythisDHaveotherunionsthathaveemployedasimilartacticachievedtheirgoalswithit?EDoothercorporationsthatowncoalcompaniesalsoowngasThepopulationofdeserttortoisesinTargland'sRedDeserthasdeclined,partlybecausetheyarecapturedforsaleaspetsandpartlybecausepeopleridingall-terrainvehicleshavedamagedtheirhabitat.Targlandplanstohaltthispopulationdeclinebyblockingthecurrentaccessroutesintothedesertandannouncingnewregulationstoallowaccessonlyonfoot.Targland'sofficialspredictthatthesemeasureswillbeadequate,sinceitisdifficulttocollectthetortoiseswithoutavehicle.Whichofthefollowingwoulditbemostimportanttoestablishinordertoevaluatetheofficials'prediction?AWhetherpossessingthetortoisesaspetsremainslegallypermissibleinBWhetherTarglandisabletoenforcetheregulationswithrespecttoall-terrainvehicleentryatpointsotherthanthecurrentaccessroutesCWhethertheRedDeserttortoisesaremostactiveduringthedayoratDWhetherpeoplewhotravelonfootintheRedDesertoftenencountertheEWhethertheTarglandauthoritiesheldpublichearingsbeforerestrictingentrybyvehicleintotheRedDesertTraverton’scitycouncilwantstominimizethecity’saverageyearlyexpendituresonitstrafficsignallightsandsoisconsideringreplacingtheincandescentbulbscurrentlyinusewitharraysoflight-emittingdiodes(LEDs)astheincandescentbulbsburnout.Comparedtoincandescentbulbs,LEDarraysconsumesignificantlylessenergyandcostnomoretopurchase.Moreover,thecostsassociatedwiththeconversionofexistingfixturessoastoacceptLEDarrayswouldbeminimal.WhichofthefollowingwoulditbemostusefultoknowindeterminingwhetherswitchingtoLEDarrayswouldbelikelytohelpminimizeTraverton’syearlymaintenancecosts?AWhethertheexpectedservicelifeofLEDarraysisatleastaslongasthatofthecurrentlyusedincandescentbulbsBWhetheranycitieshaveswitchedfromincandescentlightsintheirtrafficsignalstolightingelementsotherthanLEDarraysCWhetherthecompanyfromwhichTravertoncurrentlybuysincandescentbulbsfortrafficsignalsalsosellsLEDarraysDWhetherTraverton’scitycouncilplanstoincreasethenumberoftrafficsignallightsinTravertonEWhetherthecrewsthatcurrentlyreplaceincandescentbulbsinTraverton’strafficsignalsknowhowtoconverttheexistingfixturessoastoacceptLEDTrueSaveisamail-ordercompanythatshipselectronicproductsfromitswarehousestocustomersworldwide.Thecompany'sshipmanagerisproposingthatcustomerordersbepackedwithnewer,moreexpensivepackingmaterialsthatvirtuallyeliminatedamageduringship.Themanagerarguesthatoverallcostswouldessentiallyremainunaffected,sincetheextracostofthenewpackingmaterialsroughlyequalsthecurrentcostofreplacingproductsreturnedbycustomersbecausetheyarrivedindamagedWhichofthefollowingwoulditbemostimportanttoascertainindeterminingwhetherimplementingtheshipmanager'sproposalwouldhavetheargued-foreffectoncosts?AWhethertheproductsshippedbyTrueSavearemorevulnerabletoincurringdamageduringshipthanaretypicalelectronicproductsBWhetherelectronicproductsaredamagedmorefrequentlyintransitthanaremostotherproductsshippedbymail-ordercompaniesCWhetherasizableproportionofreturneditemsarereturnedbecauseofdamagealreadypresentwhenthoseitemswerepackedforshipDWhethertherearecasesinwhichcustomersblamethemselvesforproductdamagethat,thoughpresentonarrivaloftheproduct,isnotdiscovereduntilEWhetherTrueSavecontinuallymonitorstheperformanceoftheshipcompaniesitusestoshipproductstoitscustomersFishcurrentlycostsaboutthesameatseafoodstoresthroughoutEastvilleanditssurroundingsuburbs.
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