汽车专业英语6

6.1ReceivingCustomersAcustomerwantstobuyanewcar.Theconversationbetweenacustomerandasalesmancanbeusedtointroducesometermsofsaleandreceptiontostudents.顾客想买一部新车，与销售员之间的对话情形。从对话中让学生了解一些销售与接待的术语。VocabularyandTerminology 1.calmandsteady稳重的Histonesoundscalmandsteady他的声音听起来很稳重。 2.spacious[speiʃəs]adj.宽敞的Theinteriorofthecarwasveryspacious.这部车的内部空间非常宽敞。 3.stereosystem音响Yourstereosystemmustbeofthebestquality.你的音响一定是品质最好的。 4.bass[beis]n.重音Thebassinhiscarwasturnedupveryhigh.这部车的重音调得非常大。 5.tone[təun]n.音调Histoneisratherunfriendly.他的口气很不友好。 6.graceful[ɡreisful]adj.优雅的Sherunsupthestairswithalightgracefulstep.她以轻快优雅的步子奔上楼去。 7.engineperformance发动机性能Afteralongtimeacar’sengineperformancewilldecline.长时间使用后，汽车的发动机性能将降低。 8.fuelconsumption燃料消耗量Theaveragefuelconsumptionforthiscaris10kilometersperliter.这部车的平均燃油消耗量为每公升可跑10公里。 9.sixcylinder六缸Todaymanycarshavesixcylinderengines.现今许多车有六缸发动机。 10.preferential[,prefərenʃəl]adj.优惠的Thishotelgivespreferentialtreatmenttopeoplewhostayinitregularly.旅馆给那些常客优惠待遇。 11.namecard名片Inbusiness,itiscommontogivepeopleyournamecard. 做生意时通常会将你的名片给別人。Dialogue Salesman:Goodmorning,sir!Welcome.WhatcanIdoforyou? Customer: IamlookingforanewcarthatjustcameoutonthemarketcalledtheMAX. Salesman: Itisaverynicecarandhasaverygoodreputation. Customer: MayIlookatit? Salesman: Ofcourse.Thecarisoverthere.Thisway,please. Customer: Wow!Whatanicebody!Itisverysmooth.Ithasacalmandsteadylook. Salesman: Wouldyouliketolookattheinterior? Customer: Oh!Whatabeautifulinterior!Itisveryspaciousandcomfortable. Salesman: Areyousatisfiedwiththiscar? Customer: Yes,it'sgreat.MayIlistentothestereosystem? Salesman: Ofcourse.Ibetyouwillenjoyit. Customer: Nice!Thebassmakesmeshakeandthetoneisgraceful. Salesman: Anythingelseyouwouldliketoknow? Customer: Howabouttheengineperformanceandfuelconsumption? Salesman: Theengine’smaximumpoweris150KWat5,000rpm.Theengineisa3.0Lsixcylinder24-valvemodel.Thefuelconsumptionis6.5L/100kmonthehighwayand12L/100kminthecity. Customer: Howmuchdoesitcost? Salesman: Thepriceis250,000yuan.We’llofferthepreferentialserviceonrightnow,suchasdiscount9.5,freewaxingonce,handlingtheinsurancebusinessofcompensationetc. Customer: Thankyou.Pleasegivemeyournamecard. Salesman: Noproblem.Callmeanytimeifyouneedanyhelp. Customer: OK!Iwillthinkitoverandletyouknowmydecisionsoon.Goodbye! Salesman:Goodbye!Exercise Talkwithyourpartnerfortheconversation.Context： Mr.SmithgoestoCherryAutomobileServiceCompanytohavehiscarmaintained.Lileiisthemanagerofafter-salesservicedepartment.Mr.Smithreceiveshiswarmreception.6.2InquiryMr.Zhaowantstogroup-purchaseJettacars,sohecomesto4Sshopandasksthereceptionistsomedetailedinformation.赵先生想团购捷达轿车，于是他来到4S店向销售员询问一些详细情况。VocabularyandTerminology 1.opportunity[,ɔpətju:niti]n.机会I’mgladtohavetheopportunitytospeaktoyoualone.很高兴有机会可以跟你单独谈话。 2.group-purchasing团购Usuallythesellersgivealowerpriceforgroup-purchasing.通常经销商会给团购一个较低的价格。 3.inquiry[inkwaiəri]v.询问Makeyourinquiriesattheoffice.请去办公室询问。 4.quantity[kwɔntiti]n.数目,数量Pleasetellmethebrand,quantityandinvoicenumber.请告诉我品牌名称、数量以及发货单号码。 5.offer[ɔfə]n.报价I’vehadanofferof$2000forthecar.有人向我出价2000美元买这辆汽车 6.quality[kwɔliti]n.质量Wemustimprovethequalityofourproducts.我们一定要提高产品质量。 7.discount[diskaunt]n.折扣Theygivediscounttovisitorsingroups.他们对团体来宾打折扣。 8.preferential[,prefərenʃəl]adj.优惠的Youwillenjoymorepreferentialtreatment.你会享受到更多的优惠待遇。 9.cardecorations车饰Cardecorationsareusedtomakeyourcarmorebeautiful.车饰用来使你的车更漂亮。Dialogue Zhao:Goodmorning! Receptionist:Goodmorning!Youarewelcometoourcompany,IamZouJie. Zhao:Iamgladtohavetheopportunitytovisityourcorporation. Receptionist:It’sagreatpleasuretomeetyou.IsthereanythingIdoforyou? Zhao:YesterdayItalkedaboutourgroup-purchasingJettacarswithyourmanager.Hetoldmetocontactyouandconsultsomedetailedinformation. Receptionist:Thankyouforyourinquiry.WouldyoutellmewhatthequantityyourequiresothatIcanworkouttheoffers. Zhao:Abouttwenty.ButI’mworriedaboutthequalityofthecarifpurchasingcarsinagroup. Receptionist:Don’tworry.We’llorganizeourcustomerstotakecarsdirectlyasyouneedinour4Sstore. Zhao:Well,whataboutthediscount? Receptionist:Forthepurposeofestablishingbusinessrelationswithyou,wemaygrantyouaspecialdiscountof10%,thisisthebestwecandoforyou. Zhao:Arethereanyotherpreferentialservices? Receptionist:Yes.Forexample:cardecorationsareprovided,fivetimesfreecarwashingandone-yearfreemaintenanceetc.Ifyouwanttoknowaboutmore,you’llvisitourwebsiteaboutmore. Zhao:WhatproceduresdoIneedifIwanttotakepartintheautomotivegroup-purchasing? Receptionist:Thosewhobuythecarsingroupmustfilloutaccuratelyanddetailpersonalinformationonlinetobesureofcontactyou,suchasname,ID,youraddress,carstyle,coloretc. Zhao:Howisthepayment? Receptionist:Youmaypayonline,bythecreditorincash. Zhao:O.K.WhencanIknowtheprice? Receptionist:Ourstaffwillinformyoubyphonesoonafterweworkouttheoffer. Zhao:OK,somuchfortoday,thankyouforyourenthusiasticreception. Receptionist:You’rewelcome.Exercise Talkwithyourpartnerfortheconversation. Context： MsLiwantstobuyanewcarandshecomestoVW4sstore.Thesalesmangivesabriefintroductiontoher.6.3AutomaticTransmissionandManualTransmissionAstudentaskstheteachersomequestionsaboutautomatictransmission.Learnsometermsabouttheconstructionandworkingprincipleofautomatictransmission.一名学生向老师请教关于自动变速器的一些问题，从他们的对话中学习一些关于变速器结构和工作原理的术语。VocabularyandTerminology 1.automatictransmission自动变速器Anautomatictransmissionisagearboxthatcanchangegearratiosautomaticallyasthevehiclemoves.自动变速器是指在车辆行驶时能自动改变齿轮传动比的变速器。 2.dividedinto分为Theriverdividesintotwostreamsatthispoint这条河在此分成两条支流。 3.mechanicalsystem机械系统Thisisaverycreativemechanicalsystem.这是一个十分创新的机械系统。 4.hydraulicsystem液压系统Hydraulicpumpssupplyfluidtothecomponentsinthehydraulicsystem.液压泵向液压系统中的各部件供油。 5.controlsystem控制系统ThecontrolsysteminanATisusuallyahydraulicsystem.自动变速器中的控制系统通常是一个液压系统。 6.harmony[hɑ:məni]adj.和谐，协调Inabeautifulpicturethereisharmonybetweenthedifferentcolors.美丽的画面中,不同色彩相协调。 7.shifting[ʃiftiŋ]adj.换挡的Theautomatictransmissioneliminatesthemanuallyshiftingneedforthedriver.自动变速器无需驾驶员手动换挡。 8.hassle[hæsəl]n.麻烦Itisarealhassletoapplyfortheinsurancemoney.申请保险金实在是一件麻烦事。 9.gearset[ɡiəset]n.齿轮机构Thisgearsetisthenewtypeofwormandwormgeartransmissionequipment.这个齿轮机构是一种新型的蜗杆蜗轮传动。Dialogue Student:I'dliketoaskaboutthismodernautomatictransmission.Canyouhelpme,sir? Teacher:Sure,whatwouldyouliketoknow? Student:Howmanymainunitsistheautomatictransmissiondividedinto? Teacher:Itincludesthreeunits. Student:Whatarethey？ Teacher:Well,anautomatictransmissioncontainsamechanicalsystem,ahydraulicsystem,andacontrolsystem,allworkingtogetherinperfectharmonywhichgoesvirtually. Student:whataretheadvantagesofautomatictransmission? Teacher:Firstly,thereisnoclutchpedalinanautomatictransmissioncar.Andsecondly,thereisnoshiftinghasslewhenyouaredrivinginslowmovingtraffic.Onceyouputthetransmissionintodrive,everythingelseisautomatic. Student:Whatisthedifferencebetweenamanualandanautomatictransmission? Teacher:Thekeydifferencebetweenamanualandanautomatictransmissionisthatthemanualtransmissionlocksandunlocksdifferentsetsofgearstotheoutputshafttoachievethevariousgearratios,whileinanautomatictransmission,thesamesetofgearsproducesallofthedifferentgearratios.Theplanetarygearsetisthedevicethatmakesthispossibleinanautomatictransmission. Student:TodayIhavelearnedmoreabouttheautomatictransmission.Thankyouverymuch! Teacher:You’rewelcome.Exercise Talkwithyourpartnerfortheconversation. Context： Thestudentaskssomequestionsabouttheclutchandtheteacherexplainsthecomponentsandthefunctionoftheclutch.6.4SuspensionSystemMr.WangisaskingMr.Changaboutthesuspensionsystemofautomobiles.TheadvantagesanddisadvantagesofpopularsuspensionsystemsaredescribedbyMr.Chang.王先生问张先生有关汽车的悬架系统。张先生说明了常用悬架系统的优缺点。VocabularyandTerminology 1.primary[praiməri]adj.首要的;主要的;基本的Theprimarycauseofhisfailureislaziness他失败的根本原因是懒惰。 2.comfortableride乘坐舒适性Comfortablerideisoneoftheimportantvehicleperformances.乘坐舒适性是车辆的重要性能之一。 3.torsionbar扭力杆Atorsionbarisusedinahighloadcapacitytruck.扭力杆用于重载卡车。 4.bounce[bauns]v.弹跳Arubberballbounceswell.橡皮球弹力好。 5.shockabsorbern.减振器Shockabsorberisamechanicaldamperwhichabsorbsenergyofsuddenimpulses减振器是一个机械阻尼器，可以吸收突然冲击的能量。 6.consume[kənsju:m]消耗,消费,耗尽Thisplanwillconsumetoomanymaterialsandgoods,isthereanybetterway?这个 计划 项目进度计划表范例计划下载计划下载计划下载课程教学计划下载 物耗太大了，有没有更好的办法？ 7.MacPhersonstrutsuspensionsystemn.麦弗逊式悬架系统MacPhersonstrutsuspensionsystemiswildlyusedinsmallcars.麦弗逊式悬架系统普遍用于小车上。 8.multi-linksuspensionsystem多连杆式悬架系统Multi-linksuspensionsystemiswidelyusedinhighclasssedansbecauseofitsbetteroperationfunction.多连杆式悬架系统广泛用于高档轿车，因为它有较好的操控功能。 9.independentsuspensionsystemn.独立悬架系统Independentsuspensionsystemallowseachwheelonthesameaxletomoveupanddownindependentlyofeachother.独立悬架系统允许同轴上的车轮可以相互独立的上下运动。Dialogue Wang: Hello,Mr.Chang.Nicetoseeyou!Whatareyoureading? Chang:I’mreadingajournalaboutautomobile. Wang:Oh!Areyouinterestedincar? Chang:yeah! Wang:good!CouldIconsultyousomequestionsaboutthesuspensionsystemofthemodernautomobile? Chang:Sure!What? Wang:Doyouknowitsmajorfunctions? Chang:Theprimarypurposeofthesuspensionsystemistokeepcar'swheelsinfirmcontactwiththeroadandtoprovideacomfortablerideforthepassengers. Wang:Couldyoutellmemaintypesofthesuspensionsystem? Chang:Leafspringsandhelicalcoilsprings. Wang: Ihaveheardthatthereareotherkindsofspringsinsuspensionsystems.Forexample,atorsionbarandanairspring. Chang:Yes.Atorsionbarisusedinatruckwhichcanbearaheavyload;anairspringisusedforahigh-classsedan. Wang: Aspringhastobouncemanytimesbeforeitcanstop.Butwhydon’tIfeelitwhenIsitinacar? Chang:Thisisbecauseacarhasasuspensionsystemwhichcancontrolthebounceofacar. Wang: Whatdoesasuspensionsystemmainlycontain? Chang:Springs,shockabsorbers,controlarms,andbushings. Wang: Whatistashockabsorber? Chang:Springcannotbeusedalone,sincetheywouldgiveabouncingrideandtheshockabsorberscansmoothoutthisspringingaction.Itisusedtoconsumetheenergyofvibrationandreducetheextentandtimesofvibration. Wang: Whatarethefunctionsofthecontrolarms? Chang:Theyareusedtoholdthewheelsandtirestotheframeofthecarandallowthewheelstogoupanddownwhenhittingbumpswhilestayingstraightandperpendiculartotheroad. Wang: Iguessthefunctionofabushingistopreventmetalsfromtouchingoneanother. Chang:That’sright,butitalsohasthefunctionofreducingvibrationandpreventingnoisefrompassingtothebodyofthecar. Wang: Inautomobilemagazines,wecanoftenreadMacPhersonstrutsuspensionsystemandmulti-linksuspensionsystem.Whatisthedifferencebetweenthem? Chang:Bothbelongtotheindependentsuspensionsystem.MacPhersonstrutsuspensionisusedinsmallcars;multi-linksuspensioniswidelyusedinhighclasssedansbecauseofitsbetteroperationfunctions. Wang: Nicetotalkwithyou.Thanksalot. Chang:Don’tmentionit.Exercise Talkwithyourpartnerfortheconversation. Context： Mr.Changisfondofautomobilesrecently.OnSunday,hecomestohisfriend,Mr.Zhou,anautorepairtechnician,talkingsomethingaboutcar’sperformance,suchastractiveperformance,fueleconomyandsafety,etc.6.5AutomobileABSMr.Liwantstobuyacar,soheasksMr.WangaboutthequestionsofABS(AntilockBrakeSystem)李先生想买一部车，于是他向王先生咨询有关制动防抱死系统的问题。VocabularyandTerminology 1.AntilockBrakeSystem（ABS）制动防抱死系统AsthecarwastravelingatahighspeedhesuddenlybrakedandAntilockBrakeSystemwasoperated.当汽车高速行驶时，他突然刹车，ABS开始工作。 2.sensor[sensə]n.传感器Thereweremorethan200sensorshere.这里装有两百多个传感器。 3.electroniccontrolunit电子控制单元Electroniccontrolunitsareutilizedwidelyinthemoderncars.电子控制单元被广泛的应用在现代汽车上。 4.hydrauliccontrolunit液压控制单元Hydrauliccontrolunit.isaveryimportantpartinthemechanism.液压控制单元是这个机构中非常重要的部分。 5.stability[stəbiliti]n.稳定性Shelacksemotionalstability她的情绪不稳定。 6.brakingdistance制动距离Thebrakingdistanceshouldbeasshortaspossible.制动距离应尽可能的短。 7.slipratio滑动率SlipratioisaprimaryparameterofABS.滑动率是ABS系统的基本参数。Dialogue Li：Goodmorning,Mr.Wang! Wang:Goodmorning! Li：CanIaskyouaquestion? Wang:Sure Li：WhatisABS? Wang:ABSistheabbreviationforAntilockBrakeSystem.Moderncarscantravelveryfast,sogoodbrakesareessentialforsafety.Besides,withABS,thedangerofaccidentswhenbrakingisreducedgreatly. Li：Ithinkit’sverycomplexforme,whatarethemaincomponents? Wang:Thesystem’smaincomponentsarethewheelsensors,theelectroniccontrolunitandthehydrauliccontrolunit. Li：What’sitsfunction? Wang:Itcanpreventthewheelsfromfullylockingupwhenapplyingthebrakes.Thusitcanincreasethestabilityofthecarduringbrakingandshortenthebrakingdistance. Li：Buthowdoesitpreventwheellockup? Wang:Thatisacomplexprocess.Bycontrollingtheoilpressureofthebrakes,thewheelslipratiowillkeeparound0.2.Underthiscondition,thewheelsarepartiallylockedandhavethelargestbrakeefficiency.Inthisway,thecarcanrunstablyandstopquickly. Li：Safetycomesfirst.IthinkIshouldbuyacarwithABSandothersafetyequipment. Wang:You’reright. Li：Thanksforyourexplanation.Itwasagreathelp. Wang:You’rewelcome.Exercise Talkwithyourpartnerfortheconversation. Context： Acustomerdriveshiscartoanauto-repairshopformaintenanceandaskssomecommonquestionsaboutthemaintenance.6.6AutomobileNoiseandVibrationAstudentisinterestedinautomobilenoiseandvibrationproblems.Heaskstheteacherhowtodiagnosethem.学生对汽车噪声和振动的问题很感兴趣，向老师咨询如何来诊断。VocabularyandTerminology 1. vibration[vaibreiʃən]n.振动Thevibrationofthecarwasmakingmeuncomfortable.汽车的振动让我感觉不舒服。 2. troubleshoot[trʌblʃut]v.排除Itisimportanttolearnhowtotroubleshootproblems.学习如何排除问题是很重要的。 3. diagnosis[,daiəɡnəusis]n.诊断Arepairtechnicianhastobecarefulwiththeirdiagnosisonautomobile.维修技师必须仔细对汽车进行诊断。 4.fault[fɔ:lt]n.故障Heeliminatedtheenginefaultsuccessfully.他成功地排除了发动机的故障。 5.testdrive试车，试驾Iwouldliketotestdrivethenewcar.我想要试驾一下这款新车。 6.decibels(dB)[desibel]n.分贝Anormalconversationreaches55decibels.普通的谈话即可达55分贝。Dialogue Teacher: Today,wearediscussingautomobilenoiseandvibration.WehearaboutNVHveryoften.Whatdoesitmean? Student: Iguess“N”and“V”denote“Noise”and“Vibration”,respectively.Idon’tknowwhat“H”means. Teacher: Well,“H”istheabbreviationof“Harshness”,whichiscomposedofanimpactnoiseandvibrationgeneratedwhentiresareuphillorcrossingacrack. Student: Canyoutellmehowtotroubleshootautomobilenoiseandvibrationproblems? Teacher: First,youneedtounderstandthediagnosisprocedure. Student: Couldyouexplainitbriefly? Teacher: Firstofall,listenandwritedowncustomers’complaintscarefully.Then,judgethepossibleareasofthefaultfromthecomplaints.Afterthat,dotestdrive.Finally,chooseasuitablediagnosismethod. Student: WhatshouldIconsideroverduringatestdrive? Teacher: Payspecialattentiontovehiclespeed,enginerpmandshiftgearpositionofthetransmission. Student: Therearemanydiagnosismethods.Canyoutellmesomeofthem? Teacher: Themostcommonmethodsaretheauscultationmethod,thechange-loadmethod,stickingtapetothesuspectedchink,aswellassqueezingandshakingthesuspectedarea.OK,nowit’smyturntoaskyousomequestions. Student: Please. Teacher: Whatistheunitfornoise? Student: Decibels(dB). Teacher: Correct.Ifonenoisehasasoundlevelof60decibelsandanotheris70,dothesetwonoisestogetherhavethestrengthof130decibels? Student: Ofcoursenot.Ifdecibelscouldbeaddeddirectly,thentherewouldbesomuchnoiseintheenvironment,andoureardrumswouldbreak. Teacher: Good.Couldyougivesomeexamplesofautomobilenoiseandvibration? Student: Enginenoise,tirenoise,windnoise,exhaustnoise,combustionnoiseandsteeringwheelshake,etc. Teacher: Verygood. Student: Today,Ihavelearnedsomebasicknowledgeaboutdiagnosisofautomobilenoiseandvibrationproblems.Thankyou.Exercise Talkwithyourpartnerfortheconversation. Context： Theteacherdiscussestherelatedknowledgeofengineemissioncontrolwithhisstudents.6.7HybridCarTomasksJimsomequestionsabouthybridcars.Jimexplainstheadvantagesanddisadvantagesofhybridcarsanditsworkingprinciple.Tom向Jim请教关于混合动力车的一些问题。Jim解释了混合动力车的优缺点和工作原理。VocabularyandTerminology 1.hybridcar混合动力车Theobviousadvantageofusinghybridcarsisthatitsavesgas.混合动力车的显著优势就是省油。 2.fuelconsumption燃油消耗量Buyingahybridcarcancutthefuelconsumptioninhalf.买一辆混合动力车可以减少一半的油耗。 3.emission[imiʃən]n.排放Emissionsofmotorvehiclescausesaveryseriousenvironmentalproblem.机动车的排放引起了非常严重的环境问题。 4.maintain[meintein]n.维护、保养Mycarneedstobemaintained.我的汽车需要保养了。 5.afford[əfɔ:d]n.买得起,担负得起Shecannotaffordanewdress.她没钱买新衣服。 6.solely[səuli]n.仅仅Theresponsibilityliessolelywiththem.这完全得由他们负责。 7.accelerator[ækseləreitə]n.加速踏板Hepresseddowntheacceleratorpedalofhiscar.他踩下汽车的加速器踏板。 8.charge[tʃɑ:dʒ]n.充电Heischargingastoragebattery.他在为蓄电池充电。Dialogue Tom:Couldyoutellmewhatthehybridcaris? Jim：Hybridcarsaresocalledbecausetheyrunonacombinationoftwodifferentpowersources. Tom:Iguessonepowersourceisaninternalcombustionengine.Andwhatistheother? Jim：Anelectricmotor. Tom:Whataretheadvantagesanddisadvantagesofahybridcar? Jim：Theadvantagesarethathybridcarcannotonlyimprovepowerefficiencybutalsoreducefuelconsumptionandemissions.Theshortcomingsarethatthecarisexpensiveanddifficulttomaintain.Besides,thebatterypriceishighandhasalimitedlife.Therefore,noteverybodycanaffordtobuyone. Tom:Howdohybridcarsusedifferentpowersources? Jim：Powerdistributioniscarriedoutbyadevicewhichsplitsthepowersources. Tom:Canyoubrieflyintroducetheworkingprinciplesofahybridcar? Jim：Whenyoustartthecarandthecarisinidlemodeornotrunning,thegasolineengineshutsoffbyitself.Atthistimethecarissolelyrunningonelectricity.Onceyoustepontheaccelerator,theinternalcombustionenginewillautomaticallystartupagain. Tom:Isitsmaintenancesimilartothatoftraditionalcars?Doesitneedtochargethebatterylikeanelectriccar? Jim：Changingofoilandaddingofpetrolarethesameasthoseoftraditionalvehicles.However,agoodthingabouthybridcarsistheydon’tneedtobepluggedinliketheelectriccar.Theyusekineticenergytorechargethebattery. Tom:O.K.IthinkIhavelearnedalotaboutthehybridcar.Thankyou! Jim:You’rewelcome.Exercise Talkwithyourpartnerfortheconversation. Context： VariableValveTimingwithintelligenceisaveryadvancedtechnologyandalsoafuturetrend.Mr.Changwantstounderstandmoreaboutit,soheisnowchattingwithMr.Wangtogetsomerelevantinformation.6.8GPSNavigationSystemMr.Lilikestohaveself-drivetours,buthissenseofdirectionisverypoor.Mr.ChangsuggeststhatheshouldinstallaGPS.AfterMr.Lilearnsabouttheadvantagesofhavinganavigationsystem,hecan’twaittoinstallone.老李很喜欢自驾游，但是他的方位感很差，于是小张建议他装个卫星定位系统，老王了解了导航系统的优点之后，迫不及待地想装一个。VocabularyandTerminology 1. GlobalPositioningSystem(GPS)全球定位系统TheGlobalPositioningSystem(GPS)isanavigationsystemmadeupofanetworkof24satellites.全球定位系统是由24颗卫星网络构成的导航系统。 2.navigation[,næviɡeiʃən]n.导航Thecompassisaninstrumentofnavigation.罗盘是导航仪器。 3.civilianuse民用NowGPSisappliedwidelytothecivilianuse.现在GPS被广泛地应用到民用产品。 4. destination[,destineiʃən]n.目的地,终点Ieventuallyarrivedatmydestination.我终于到达了目的地。Dialogue Li： Mr.Chang,we’regoingtoSunnyRoad.Wouldyoupleasetellmehowtodrivethere? Chang: Atfirst,yougoalongJiefangRoadtoYuhuaStreet,andthenturnleft,andthen… Li： Justamoment.It’stoocomplicatedformetorememberbecauseIhaveabadsenseofdirection. Chang: IsuggestyoushouldinstallaGPS!Itwillhelpyoualot. Li：What?GPS? Chang: Yes,GlobalPositioningSystem.Itisasatellite-basednavigationsystem. Li：Iheardaboutthatbefore.ButIthinkitisforthemilitarypurpose. Chang:Well,itisdevelopedbyU.S.DepartmentofDefense,butinthe1980s,thegovernmentmadethesystemavailableforcivilianuse. Li:Whatisthebenefitofinstallingthisgadget? Chang:Itcanteachyouhowtogettoyourdestinationonthescreen. Allyouhavetodoisdriveaccordingtotheinstructions. Li：Oh,it’sgreat.Withit,wecaneasilyandexactlyknowwhereweareonearth,right? Chang:Yes. Li:CanyoutellmewhereIcangetit? Chang:Inmostautopartsshops. Li：Iwillinstallone. Chang:Ithinkit’sabsolutelynecessaryforyou. Li：Oh!Bytheway,afterinstallment,doIhavetopayanyextracost? Chang:No.TherearenosubscriptionfeesorsetupchargestouseGPS,sotherearealotofpeopleusingthem. Li：Hownice!Iwillneverbelost. Chang:Goodlucktoyou!Exercise Talkwithyourpartnerfortheconversation. Context： Mr.Wangwillgooutoftowntomorrow.Inordertodrivesmoothly,heasksMr.Chang,whoisatechnician,totellhimwhatbasicinspectionsheshouldmakeonhiscar.