25年民用航空器维修人员执照英语等级测试题及答案

25年民用航空器维修人员执照英语等级测试题及答案一、单项选择题（每题2分，共40分）1.Theprimaryfunctionoftheaileronsistocontroltheaircraftaboutthe___axis.A.longitudinalB.lateralC.verticalD.normal答案：A解析：副翼控制飞机的滚转运动，滚转运动围绕机身纵轴进行。2.Wheninflatinganaircrafttire,the___pressuremustnotexceedthemaximumvaluespecifiedinthemaintenancemanual.A.hydraulicB.pneumaticC.staticD.ambient答案：B解析：轮胎充气使用压缩空气，因此限制的是气压（pneumaticpressure）。3.Thelow-pressurewarninglightwillilluminate___thehydraulicpressuredropsbelowthepresetvalue.A.althoughB.untilC.whenD.unless答案：C4.Inaviationmaintenancedocumentation,theabbreviation“ATA”isusedtoidentify___.A.theserialnumberofanaircraftB.theflightreleaseformC.thetypecertificatedatasheetD.thechapternumbersofatechnicalmanual答案：D解析：ATA即AirTransportAssociation，其制定的ATASpec100编号体系用于标识维修手册的章节号。5.Atorquewrenchmustbeusedtotightenfastenerstothe___value.A.estimatedB.approximateC.maximumD.specified答案：D6.Themaintenancemanual___thatthefuelfilterbereplacedevery600flighthours.A.tospecifyB.specifiesC.specifyingD.specified答案：B解析：主句缺少谓语动词，主语为单数且表示现行要求，应用一般现在时specifies。7.BeforeinstallinganewO-ring,___thesealgroovewiththerecommendedhydraulicfluid.A.lubricateB.tightenC.torqueD.remove答案：A解析：安装新密封圈前，应在密封槽内涂抹推荐的液压油以起润滑作用。8.Theaircraftwasgrounded___adefectwasfoundinthenoselandinggearshockstrut.A.althoughB.untilC.becauseD.while答案：C9.Asmallcrackfoundattheendofafuselageskincrackshouldbe___treatedtopreventfurtherpropagation.A.countersunkB.rivetedC.weldedD.stop-drilled答案：D解析：止裂孔（stop-drilling）是在裂纹尖端钻孔，以消除应力集中并防止裂纹继续扩展。10.Inair-groundcommunication,“readback”meansthatthemessageis___bythereceivertoconfirmcorrectreception.A.recordedB.repeatedC.ignoredD.translated答案：B11.Pneumaticbleedairisusually___fromthecompressorsectionofagasturbineengine.A.extractedB.exhaustedC.injectedD.compressed答案：A解析：引气（bleedair）是从燃气涡轮发动机压气机级引出的压缩空气。12.Torquevaluesarecommonlyexpressedinpound-feetor___.A.poundspersquareinchB.degreesCelsiusC.newton-metersD.knots答案：C13.Duringfueltankoperations,staticelectricitymustbecontrolledbecauseadischargemaycause___.A.corrosionB.galvanicactionC.hydrogenembrittlementD.sparks答案：D14.Theword“deactivate”isclosestinmeaningto___.A.accelerateB.disarmC.rechargeD.lubricate答案：B解析：deactivate意为“使失效、解除激活”，与disarm含义最接近。15.AnAirworthinessDirective(AD)isissuedwhenanunsafeconditionexiststhatcould___thesafeoperationoftheaircraft.A.endangerB.enhanceC.verifyD.eliminate答案：A解析：适航指令针对可能危及飞机安全运行的不安全状况发布。16.Thecockpitvoicerecorderisprimarilydesignedtorecord___.A.enginevibrationdataB.radarreturnsC.cockpitsoundsandconversationsD.cabinpressurehistory答案：C17.Whenworkingnearrotatingmachinery,whichofthefollowingshouldbeavoidedtopreventinjury?A.WearinghearingprotectionB.WearinglooseclothingC.WearingsafetyglassesD.Tyingbacklonghair答案：B解析：宽松衣物可能被旋转部件卷入，属于重大安全隐患。18.The“approachphase”ofaflightisthephaseduringwhichtheaircraft___forlanding.A.taxistothegateB.acceleratesontherunwayC.climbstocruisealtitudeD.descendsandalignswiththerunway答案：D19.Ifanitemis“inoperative”,it___.A.isnotfunctioningB.hasbeenremovedC.isawaitinginstallationD.haspassedthetest答案：A20.Whichofthefollowingisclassifiedasaprimaryflightcontrolsurface?A.FlapB.SlatC.ElevatorD.Spoiler答案：C解析：升降舵属于主飞行操纵面；襟翼、缝翼属于高升力装置，扰流板属于辅助操纵面。二、阅读理解（每题2分，共30分）Passage1Beforeamainwheelisremoved,checkthattheaircraftiselectricallygroundedandthatthecorrectjackingpointhasbeenselected.Placeasafetyjackundertheaxle,oruseanapprovedjackingpoint,toraisethewheeljustclearofthefloor.Removethewheelchocksandtheaxlenut.Pullthewheelstraightofftheaxle;donotstrikethetiresidewallwithahammer.Ifthetiremustbedisassembledfromthewheel,fullydeflateitinanapprovedsafetycagebeforebreakingthebead.Failuretofollowtheseprecautionsmayresultinseriouspersonalinjury.1.Whatshouldbedonebeforeremovingthemainwheel?A.RemovethewheelchocksfirstB.CheckthattheaircraftiselectricallygroundedC.InflatethetiretomaximumpressureD.Lubricatetheaxlethreads答案：B2.Whyisasafetycagerequiredwhendeflatingthetire?A.TokeepthewheelcleanduringstorageB.TopreventtheaxlenutfromlooseningC.ToprotectpersonnelifthetireisreleasedviolentlyD.Tostorethewheelchocks答案：C3.Themainwheelisraised___.A.afterremovingtheaxlenutB.justclearofthefloorC.toremovethewheelchocksD.beforecheckingthejackingpoint答案：B4.WhichofthefollowingisNOTallowedduringwheelremoval?A.UsingahammeronthetiresidewallB.UsinganapprovedjackC.DeflatingthetireinasafetycageD.Pullingthewheelstraightofftheaxle答案：A解析：短文中明确要求不得用锤子敲击轮胎侧壁，因此A项属于禁止行为。5.Accordingtothepassage,thefirststepbeforeraisingtheaircraftis___.A.fullydeflatingthetireB.removingtheaxlenutC.selectingthecorrectjackingpointandgroundingtheaircraftD.pullingthewheelofftheaxle答案：CPassage2Corrosionisoneofthemostcommonformsofdamagefoundontransportaircraft.Itoftenoccursinareaswheremoisture,dirt,orbatteryfumescanaccumulate,suchaslapjoints,bilgeareas,andwheelwells.Duringaninspection,anycorrosionmustberemovedmechanicallybysandingorusingapprovedabrasivematerialsuntilonlysoundmetalremains.Aftercleaning,theprotectivefinishmustberestoredtopreventfurthercorrosion.Iftheremainingmaterialthicknessislessthantheminimumallowablevalue,thecomponentmustberepairedorreplacedaccordingtothestructuralrepairmanual.6.Whereiscorrosionmostlikelytobefoundaccordingtothepassage?A.InareasprotectedbypaintB.InareaswheremoistureandcontaminationcancollectC.InthecockpitD.Onupperwingsurfacesonly答案：B7.Howshouldcorrosionberemoved?A.ByheatingtheaffectedareaB.BypaintingoveritC.MechanicallybysandingorwithapprovedabrasivesD.Bychemicalplatingonly答案：C8.Whymusttheprotectivefinishberestoredafterwards?A.TopreventfurthercorrosionB.Toimprovetheaircraft’sspeedC.TomaketherepairvisibleD.Tosatisfyweightrequirements答案：A9.Iftheremainingthicknessisbelowtheminimumlimit,thecomponentmustbe___.A.returnedtoserviceB.sandedagainC.paintedwithprimerD.repairedorreplaced答案：D10.Theword“sound”in“onlysoundmetalremains”mostnearlymeans___.A.audibleB.intactandhealthyC.thinD.heated答案：B解析：此处sound意为“完好的、未受损的”，不是“声音”或“可听见的”。Passage3Carbonfiberreinforcedplastic(CFRP)iswidelyusedinmodernaircraftstructures.RepairstoCFRPrequirecarefulcontroloftemperatureandmoisture.Ifmoistureentersahoneycombcoreandthestructureislaterheated,thewaterexpandsandmayseparatetheskinfromthecore.Alwaysapplythemanufacturer’srecommendedheatingrateandmaximumtemperature.Inaddition,sandingcarbonfiberproducesaconductivedustthatmaycauseshortcircuitsifitenterselectricalequipment.Therefore,repairsshouldbeperformedinaventilatedareaandadjacentequipmentshouldbecoveredorremoved.11.Whatcanhappenifmoistureinahoneycombcoreisheatedduringrepair?A.TheskinmayseparatefromthecoreB.ThecorebecomesstrongerC.ThecarbonfibersmeltD.Theresincuresfaster答案：A12.WhyistheheatingrateimportantinCFRPrepair?A.ItpreventsmoisturefromenteringthecoreB.ExcessiveheatingcandamagethematerialC.ItincreasesthestrengthofthefibersD.Itreducestheneedforventilation答案：B解析：必须按制造商推荐的速率升温，避免水分膨胀或树脂过热损伤材料。13.Sandingcarbonfibercompositegenerates___.A.toxicgasB.conductivedustC.watervaporD.high-frequencynoise答案：B14.WhereshouldCFRPrepairsbeperformed?A.InaventilatedareaB.InaclosedroomC.NearsensitiveelectricalequipmentD.Inafueltank答案：A15.Whatmightconductivedustdoifitenterselectricalequipment?A.ImprovethecoolingB.IncreasetheinsulationresistanceC.CauseashortcircuitD