新核心大学英语读写教程第二册答案2

Unit2EnergyTask2UnderstandingMainIdeasandImportantDetailsintheText1.Answerthefollowingquestions.1）Whatcanrenewableenergysourcesdotodecreasegreenhousegasesandpollutants?Theyareofgreathelptocutdowntheamountoftoxins,whichareby-productsoftheconsumptionofenergy.2）Whatarethemostcommonsourcesofrenewableenergy?Solarenergy,windenergy,geothermalenergy,hydroelectricity,andbiofuels.3）Accordingtothispassage,whatrenewableenergysourceshavebeenusedsinceancienttimes?Solarenergy,windenergyandhydroelectricity.4）Whatisthemaindisadvantageofwindenergy?Itneverhasaconstantspeedordirection.5）Whataretheadvantagesofbiofuels?Theadvantagesofbiofuelsarethattheycontainnopetroleum,andtheyarenontoxicandbiodegradable.3.Reviewthetexttofindinformationabouttheadvantagesanddisadvantagesofrenewablesources.Listthepointsinthetablebelow.solarenergyItiseasyforpeopletobeabletobenefitfromsolarpower.Itislimitedandcannotbeusedonnighttimeorrainydays.windenergyItdoesn’tproduceanyby-productsthatcanbeharmfultotheenvironment.Itneverhasaconstantspeedordirection.geothermalenergyBecausetheearth’scrustcontinuouslydecaysreplenishingtheheat,geothermalenergyremainsarenewableenergy.Itisexpensivetobuildgeothermalplants.HydroelectricityElectricitycanbegeneratedbyusingthekineticenergyofwater.Itposesaproblemforfishandaquaticplantsonbothsidesofthedam.BiofuelsTheycontainnopetroleum,andtheyarenontoxicandbiodegradable.Notmentioned.Task2UnderstandingtheIdeas,Details,andStructureoftheText1.Readthetextcarefully,thenfillintheblankswiththemainideasforeachpart.1)dampenvibrationsbutstoreenergytoprovideasourceofpower2)powercanbegeneratedfromhumanmovement3)storetheharvestedenergyefficiently4)viablealternativesourceofpower5)understandinghowtocapture,storeandreleasehumanenergy6)FromtheEighties,devicespoweredbyhumanmovementhavebeendeveloped.NowPeopleholddifferentopinionsonwhatisthebestwayofharnessinghumanpower.7)Seiko8)energy-harvestingdevicesthatcouldbebuiltintosoldiers’boots9)whatisthebestwayofharnessinghumanpower10)ThePacesettersProjecthasattractedattentionfromthebusinessworld.IntheUK,developmentofsustainableenergyisalwaysencouraged2.TranslatethefollowingpassageintoEnglish.SomeresearchersinLondonarecarryingoutaprojectwhichinvolvestheinstallationoftheworld’sfirsthumanenergyharvestingstaircase.Theyaimtoprovethepotentialofhumanenergytosupplementpowersupplyinpublicplaces.Howtostoretheharvestedenergyefficientlyposesachallengeforthem,asalargeamountofhumaneffortisrequiredtogenerateevenamodestamountofpower.Withmoreandmorelow-powerelectricalproductsdesignedandthepotentialapplicationsofhumanenergygrowing,peopleareshowingmoreinterestinself-powergeneration.Actually,asearlyas1980’s,devicespoweredbyhumanmovementwereproduced.However,todate,therearestilldifferentopinionsonwhatisthebestwayofharnessinghumanpower.3.CompletethefollowingsentencesaccordingtotheChinesegiveninbrackets.P481.varioushouseholdappliances各种家用电器2.2.asitproducesnopollutants因为它不会产生污染物3.Consumptionofwoodforfuel消耗木材用作燃料4.withstandtherecentriseinoil抵制最近的油价上涨5.areoperatingreliablyandefficiently正在可靠、高效地运行6.6.afixedcapacitorisusuallyinstalled通常安装固定电容器7.Thecausesofthewarliein战争的起因在于8.8.amodestdecreaseinhouseprices房价略有下降9.cutdown(on)theirenergyusage减少能源的消耗10.10.poseaseriousthreat造成严重的威胁3.TranslatethefollowingChinesesentencesintoEnglish.1)到2030年，太阳能板的制造、安装和维修领域预计能增加630万个工作岗位。Manufacturing,installing,andmaintainingsolarpanelsshouldadd6.3millionjobsby2030.2)燃料电池仍然是太空计划必不可少的一部分，它们能可靠地把电力提供给宇宙飞船。Fuelcellsremainanessentialpartofthespaceprogram,reliablypoweringthespaceshuttles.3)这个1万美元的项目覆盖了6个街区的面积，使所有人都能通过附近屋顶上的太阳能电池板驱动的wi-fi发射器与因特网连接。The$10,000project,whichcoversasix-blockarea,allowsanyonetoconnecttotheInternetthroughwi-fitransmitterspoweredbysolarpanelsonnearbyrooftops.4)科学不仅改善了人们的生活条件，而且提高了人们的理解力，促进了他们心智的发展。(Science...notonly...butalso...)Sciencehasnotonlyimprovedpeople’squalityofliving,butalsoraisedtheirunderstandingandpromotedtheir