、選擇題1、 Thefour-strokecycleoperatesinwhichorder C .intake,exhaust,power,compressionintake,power,compression,exhaustC.intake,compression,power,exhaust2、Withthepistonatthebottomofthecylinder,the C valve toallowtheexhaustgastobeexpelledtotheexhaustsystem.A.intake,closesB.exhaust,closesC.exhaust,opens3、Acarengine'sjobisto_B A.ConvertfuelintoheatB.Convertfuelintomotion C.Convertfuelintoexhaust4、Whenthecrankshaftcompletesfourrevolutionsforafour-cycleengine,eachcylinderwillhavegonethrough B intakestroke(s).A.one B.two C.Three5、 C isthelife-bloodoftheengine.A.gas B.water C.Oil6、Whatisthecoreofacar'sengine C A.Thesparkplug B.exhaust C.Thecylinder7、Whatdeterminesthesizeandtheplacementoftheengineblock? C A.ThenumberofsparkplugsB.Thenumberofpistons8、Inthestandardengine,eachcylinderhasA.

C.ThenumberofcylindersA.fourvalves B.twovalves C.onevalve9、Acrankshaft'sjobinanengineisto C DeliverfueltothecylindersKeepcylinderheadsinplaceC.Changelinearmotionintorotationalmotion10、 TheC systemonaninternalcombustionengineprovidesthesparkthatignitescombustibleair/fuelmixtureinthecombustionchamber.A.starting B.fuel C.igniting二、填空題Today'saveragecarcontainsmorethan15000separate,individualpartsthatmustworktogether.Thesepartscanbegroupedintofourmajorcategories:body,engine,chassisandelectricalsystem.Thedirectionmotionofvehicleiscontrolledbyasteeringsystem.Abasicsteeringsystemhas3mainparts:steeringcontrolmechanism,steeringgearandsteeringlinkagemechanismwhichectingwheelsandsteeringgear.Thelocationofthedrivingaxledetermineswhetherthevehicleisclassifiedasrear-wheeldrive,.wheeldrive—,four-wheeldriveandall-wheeldrive.Themodernclutch9isasingleplate,drydisc.Itconsistsoffivemajorparts:flywheel,clutchdisc,pressureplateassembly,throw-outbearing,andclutchlinkage.Therearetwotypesofuniversaljoints--crosstypejointandconstantvelocityuniversaljoint.Thethreetypesofbrakingsystemsareinusetoday:servicebrakingsystem,parkingbrakingandadditionalretarding-brakingsystem.7.0ntoday'cars,twotypesofsteeringsystemscommonlyareusedtoprovidesteeringcontrol:steeringsystemsandpowersteeringsystems.8.Abrakingsystemconsistsofanenergy——deviceandthebrake.

supplyingdevice,acontroldevice,atransmission三、將縮寫寫出英文全稱、中文意思。1 CVT::ContinuouslyVariableTransmission中譯：無級變速器2 EFI:ElectronicFuelInjection 中譯：電子燃油噴射3 TPS ThrottlePositionSensor 中譯:節氣門位置傳感器

Anti-lockBraking、ABSSystem

中譯:防抱死制動系統5 CAN :ControllerAreaNetwork 中譯:控制器區域網絡6 EGR::Exhaust-gasrecirculation 中譯:廢氣再循環、7 EPS ElectronicPowerSteering 中譯:電動助力轉向系統、MAF :MassAirFlow中譯：空氣流量計9 ASR:AccelerationSlipRegulation中譯：驅動（輪）防滑系統0、CACSComprehensiveAutomobileControlSystem中譯：汽車綜合控制系統TranslatethefollowingsentencesintoChinese。Theinternalcombustionengineismostcommon:thisobtainsitspowerbyburningaliquidfuelinsidetheenginecylinder.Therearetwotypesofengine:gasolineanddiesel.Bothenginesarecalledheates;theburningfuelgeneratesheatwhichcausesthegasinsidethecylindertoincreaseitspressureandsupplypowertorotateashaftconnectedtothepowertrain.內燃機是最常見的，其動力來自氣缸里液體燃料的燃燒。發動機有汽油機和柴油機兩種，都稱為熱機。燃料燃燒產生熱量，氣缸內氣體壓力升高，從而提供動力，帶動連接傳動系的軸旋轉。Theengineactsasthepowerunit.Theinternalcombustionengineismostcommon:thisobtainsitspowerbyburningaliquidfuelinsidetheenginecylinder.Therearetwotypesofengine:gasoline(alsocalledaspark-ignitionengine)anddiesel(alsocalledacompression-ignitionengine).Bothenginescalledheatengines;theburningfuelgeneratesheatwhichcausesthegasinsidethecylindertoincreaseitspressureandsupplypowertorotateashaftconnectedtothepowertrain.發動機作為動力設備，常見的類型是內燃機，其原理是通過發動機缸內的液體燃料燃燒而產生能量。發動機可分為兩類：汽油機(點燃式)和柴油機(壓燃式)，都屬于熱力發動機。燃料燃燒產生熱量使缸內氣壓上升，產生的能量驅動軸旋轉，并傳遞給動力傳動系。Thebasicsteeringsysteminmostcarsisthesame.Thesteeringgearofsteeringboxistheheartofthesteeringsystem.Thisusuallyisnexttotheengine.Ashaftextendsfromthebackofthesteeringgear.Thisshaftisconnectedtothesteeringcolumnorsteeringshaft.Thesteeringwheelisatthetopofthesteeringcolumn.Anothershaftcomesfromthebottomofthesteeringgear.Thisshaftconnectstothearms,rods,andlinks.Thispartsassembly,calledthesteeringlinkage,connectsthesteeringgeartothepartsatthewheels.Thewheelsandtiresmounttothesteeringknuckles.Theknucklesarepivotedatthetopandbottom.Thus,thewheelsandtirescanturnfromsidetoside.在大多數汽車轉向系統基本是相同的。 轉向箱轉向齒輪轉向系統的核心。 這通常是旁邊的發動機。軸與轉向齒輪的背面延伸。該軸連接到轉向柱和轉向軸。方向盤在轉向柱的頂部。來自另一個軸的轉向器底部的。該軸連接到臂，桿，和鏈接。這零件裝配，稱為轉向傳動機構，與轉向齒輪零件在車輪。車輪和輪胎安裝在轉向節。指節鉸接在頂部和底部。因此，車輪和輪胎可以從一邊到另一邊。3.5.1BasicPartsofSteeringSystemIntherecirculatingballsteeringgear,thewormshaftistheinputshaft.Thewormshaftconnectstothesteeringcolumninsuchawaythatamechaniccanremovethesteeringgearorsteeringcolumnindependentlyofoneanother.Thesectorshaft(alsocalledthepitmanshaft)isliketheoutputshaftofthesteeringgear.Themainpartsofthesteeringgeararetheballs,ballnut,andthegearteethontheballnut.Asthewormshaftturns,theballsmovetheballnutupanddownalongthewormshaft.Thisturnsthesectorshaft,sincethesectort