PartB
Directions:
Readthetextsfromanarticleinwhichfivepeopletalkedaboutenergyandmakinguseofit.Forquestions61to65,
matchthenameofeachspeakertooneofthestatements(AtoG)givenbelow.MarkyouranswersonyourANSWERSHEET1.
Jackson:
Viewedfromascientist'sstandpoint,alloftheenergycontainedinfueleithernoworinthefuturebecomesheat.
Someoftheheatisuseddirectlyorproducesusefulwork.Therestislostorrejected.Thatistosay,itisradiatedintothe
atmospherefromtheengines,motors,furnaces,powerlines,televisionsets,boilersandalltheotherenergy-consumingmachinerythatmakesourwheelsgoaround.
Browning:
Itisnecessarytoimprovetheefficiencywith.whichweuseenergyinordertodomorework.Butimprovementcannot
comeovernight,andtherearelimitsbeyondwhichnotevensciencecanhelp.AccordingtotheCenterfor
StrategicandInternationalstudies,aboutthreequartersoftheenergyweusetomovethings,includingourselves,
accomplishesnousefulwork.
Jeffrey:
Intermsofefficiency,buses,trains,andotherformsofpublictransportationmaybeusingen-ergymoreefficientlythanprivateautomobiles.Unlessprivateautomobilescanoperateatnearcapacity,theirover
allefficiencyispoor.Forexample,anurbanbuscarrying36passengersmayachieveanefficiencyofaround120
passenger-milespergallonofgasoline.Butbusesarenotal-waysfullyloaded,andsometimestheycarrynopassengersatall.
Vandenberg:
Itistruethatbusescansometimesrunwithoutpassengers.Citytrainsseemtobeveryeffi-cient,buttheysufferthesameshortcomingsasbusesandcostmore.Exceptforrushhours,com-mutertrainsseldomrunatfullcapacity.Thiswastesevenmoreenergyandismorethanthemanagementcanafford.
Asaresult,commutertrainsaretrulypracticalonlyinplaceswheretherearealotofpeople.
Nathan:
Forsomepeople,masstransportationmayservetheirneeds.Forothers,acombinationofmasstransportation
andprivatetransportationmaybepreferable.Betterdesignandwiseuseofbothmasstransportationsystems
andprivatevehicleswillplayanimportantpartinhelpingusmakefull-eruseofenergyfortransportation.
Nowmatcheachofthepersons(61to65)totheappropriatestatement.
Note:therearetwoextrastatements.
Statements
[A]Citytrainsandbuseshavedifferentfaultstoovercome.
[B]Theefficiencyofthecitytraindependsonthesizeofpopulation.
[C]Publictransportationisusuallymoreenergy-efficient.
[D]Privatecarsusuallyrunatfullcapacity.
[E]Nofuelenergyisfullyused.
[F]Acombinedmeansoftransportcanhelpincreaseenergyefficiency.
[G]Problemsofenergylosscanneverbecompletelysolved.
61.Jackson