2025年機(jī)務(wù)執(zhí)照英語考試題庫及答案(第六部分)Part62025CAACLicenseEnglishPaperTimeallowed:90min??Totalitems:100??Passmark:75%Section1Listening(1–20)Audioisplayedonceonly.Writetheletterofthebestanswer.1.Youhearapilotreport:“Wehaveachiplightonthenumber-twoengine;noabnormalparametersyet.”Themostprobableimplicationis:A.Theenginemustbeshutdownimmediately.B.Thecrewmaycontinuebutmustmonitoroiltemperature.C.Themagneticplugiscloggedwithferrousdebris.D.Thewarningisspuriousbecausetheengineisnew.2.Duringpushbacktheheadsetmansays:“Bypasspinremoved,steeringbypassvalveclosed,towbarshearpinsinspected.”Therecipientofthismessageis:A.thedispatcher.B.theflightcrew.C.thecabinattendant.D.thebrakerider.3.Amechanicphonesthepartsstore:“Ineeda473-channelfortheHF,serialprefix4KK;theoldoneshowserrorcode02.”Thestoremanwillfetch:A.anantennacoupler.B.atransceiver.C.acontrolpanel.D.astaticdischarger.4.Inaborescopereporttheinspectorremarks:“Trailingedgecoolingholesonstage-3HPTbladesarepartiallyoccludedbyaglassydeposit.”Thedepositismostlikely:A.volcanicash.B.calcium-magnesiumsulfate.C.unburnedfuelvarnish.D.chromateconversioncoating.5.Aline-replaceableunitistaggedwithred“INOP”andthelogbookstates:“Internaltimerexpired,nofaultfound.”Thenextactionis:A.installanewtimersub-module.B.resettheinternalcalendarandreturntoservice.C.bench-checktheunitandre-certify.D.condemntheunitbecausetimersarenon-resettable.6.DuringanoverweightlandingchecktheNDTtechniciansays:“Werecorded295micro-strainontheoutercylinderbogiebeam.”Thevalueis:A.withinthethreshold,nofurtheraction.B.abovethethreshold,requireseddy-currentinspection.C.belowthethreshold,butneedsarepeatcheckat100h.D.invalidbecausestraingaugescannotbeusedonlandinggear.7.Afuelsystemfaultentryreads:“Inter-tanktransfervalve38Mopensonlywhenmanuallyselected;automatictransferfails.”TheMELitemstatusis:A.nodispatch.B.dispatchwithonetankempty.C.dispatchwithvalvelockedclosed.D.dispatchwithmanualtransferonly.8.Thecaptainasks:“Dowehavepositivetoqueonthestarter?”Themechanic’scorrectreplyis:A.“Affirm,45%N2andrising.”B.“Negative,startershearpinsheared.”C.“Standby,checkingignition.”D.“N1isrotating,N2stationary.”9.Acompositetechnicianreports:“Wefounda12mmdiameterdelaminationatSTA420,betweenplies9and10,nomoistureingress.”Thecorrectdispositionis:A.blend-outwithin24h.B.applyexternalpatch,single-sidecure.C.drillstop-holeandfillwithsealant.D.continuebecausedelaminationislessthan25mm.10.Duringenginewashtheoperatornotes:“WashwatereffluentTDS1800ppm.”Theimplicationis:A.rinsewateristoopure,adddetergent.B.effluentiswithinlimits,nofurtherrinse.C.repeatde-ionisedrinseuntilTDS<200ppm.D.engineisinternallycorroded.11–20arematchingsets.Youhearfiveshortexchanges.Matcheachexchangetothemaintenancedomainlisted(A–E).Eachdomainisusedonce.A.AvionicssoftwareloadingB.Cabinre-configurationC.LandinggearoverhaulD.EnginetrendmonitoringE.StructuralfatigueanalysisSection2Vocabulary(21–40)Selectthewordorphrasethatisclosestinmeaningtotheunderlinedportion.21.Theactuatorexhibitedaspuriousextensionatzerocommand.A.inadvertent?B.synchronous?C.commanded?D.intermittent22.Theigniterplugwasfouledbyacarbonaceouscrust.A.vitreous?B.conductive?C.combustible?D.sooty23.ThenewSBmandatesaone-timeinspectionoftheidlergearsforfretting.A.corrosion?B.micro-movementwear?C.galling?D.brinelling24.Afterheavyrain,wateringresswastracedtoaperisheddoorseal.A.misplaced?B.extruded?C.deteriorated?D.over-torqued25.Thecrewreportedagrindingnoiseduringslatretraction.A.squeal?B.rumble?C.rasp?D.thud26.Theborescoperevealedafissurepropagatingfromtherootoftheblade.A.cavity?B.tear?C.crack?D.groove27.Thetorque-tubewasfoundtobebowedby0.8mm.A.twisted?B.bent?C.dented?D.sheared28.MaintenancefoundthePRVstuckintheopenposition.A.pressureregulatingvalve?B.pressurereliefvalve?C.shut-offvalve?D.checkvalve29.Theautothrottleservoshowedahysteresisof3°.A.backlash?B.overshoot?C.gain?D.damping30.Thetechnicianappliedafilletofsealanttothefayingsurfaces.A.mating?B.overlapping?C.adjacent?D.countersunk31.Thedefectwasadjudgedtobewithinallowabletolerances.A.deferred?B.assessed?C.disregarded?D.concealed32.Thewheelexhibitedsevereheat-discolorationindicativeofbrakedrag.A.scoring?B.glazing?C.bluing?D.chalking33.Theoperatorusedanon-etchantcleanertopreservethecladding.A.surfacecoating?B.corealloy?C.anodiclayer?D.primer34.Theharnesschafedagainsttheedgeoftheaccesspanel.A.abraded?B.kinked?C.severed?D.stretched35.Thediscrepancywasrectifiedbyre-rackingthecircuitbreaker.A.resetting?B.replacing?C.rewiring?D.re-terminating36.Theoilsamplewasturbidandemittedapungentodour.A.cloudy?B.viscous?C.frothy?D.gritty37.Theinspectionpanelwassecuredwithcaptivefasteners.A.reusable?B.spring-loaded?C.integral?D.threaded38.Thenewgasketrestoredthehermeticityofthefuelmanifold.A.conductivity?B.rigidity?C.airtightness?D.elasticity39.Thetechnicianverifiedtherun-outofthedriveshaftwithadialgauge.A.eccentricity?B.roughness?C.hardness?D.concentricity40.Thedefectreportwasconciseyetexhaustive.A.briefbutcomplete?B.lengthyandvague?C.redundant?D.ambiguousSection3Grammar&Cloze(41–60)Insertthebestwordorphrase.41.Thevalveremainedseated______thespringforceexceededthecrackingpressure.A.unless?B.until?C.whereas?D.because42.Neitherthecaptain______themechanicnoticedthemissingpin.A.or?B.nor?C.but?D.and43.Themodule______replacedhadloggedonly120cycles.A.being?B.tobe?C.having?D.been44.Ifthefilter______clogged,thebypassvalvewouldopen.A.is?B.was?C.were?D.be45.Thetaskmust______beforetheaircraftisreleased.A.complete?B.becompleted?C.havecompleted?D.completing46.Thetechnicianinsistedon______thetorquewrenchhimself.A.calibrating?B.calibrated?C.calibrate?D.calibration47.Thediscrepancywasmoreseriousthaninitially______.A.thought?B.hadthought?C.wasthought?D.thinking48.Fastenersshouldbetightened______thespecifiedsequence.A.as?B.like?C.accordingto?D.sameas49.Thetrainingrecordsneedupdating;severallicences______expirenextmonth.A.will?B.areto?C.areaboutto?D.would50.Theunionarguedthatovertime______adverselyaffectsafety.A.can?B.could?C.may?D.must51.Theinspectoraskedwhethertheborescope______already.A.hadbeenperformed?B.hasperformed?C.wasperformed?D.performs52.Onlyafterthesystemwasdepressurised______thelinebeopened.A.can?B.could?C.should?D.would53.Themanualprohibits______theengineduringthewashcycle.A.tomotor?B.motoring?C.motor?D.motored54.Thecomponentwasfounddefective;______itwassentforoverhaul.A.however?B.therefore?C.meanwhile?D.nevertheless55.Thechiefmechanicdemandedthatthetask______repeated.A.is?B.be?C.was?D.willbe56.Theaircraftrolled______thetugbecausethebypasspinwasstillinplace.A.into?B.over?C.against?D.toward57.Thesealantmustcure______ambienttemperaturereaches5°C.A.if?B.unless?C.before?D.once58.Notuntilthelogbookwassigned______theaircraftreleased.A.could?B.can?C.will?D.would59.Themechanicwasunsurewhetherthewasher______aluminiumorsteel.A.is?B.was?C.were?D.be60.Thecaptainrequestedthatmaintenance______thetyrepressuresagain.A.check?B.checks?C.checked?D.checkingSection4Reading1(61–70)Readthepassageandchoosethebestanswer.Passage:Arecentfleet-widereviewrevealedthat80%ofhigh-timehydraulicpumpsexhibitedcarbonizedvanesanddegradedelastomericseals.Investigatorstracedtherootcausetorecurrentthermalexcursionsbeyond110°C,wellabovethe85°Cnominalredline.Althoughthesystemincorporatesaheatexchangerdownstreamofthepump,groundoperationsinhotclimateswithprolongedcargodooroperationcreatedastagnantflowregion.ThemanufacturerreleasedSB29-123introducinganadditionalcoolingfanandrevisedMELreliefthatprohibitsdualelectricpumpdispatchwhenOATexceeds40°C.61.Theprimaryfailuremodeobservedwas:A.cavitationerosion.B.thermaldecompositionofvanes.C.sealextrusionunderpressurespikes.D.bearingseizure.62.Thethermalexcursionswereattributedto:A.faultytemperaturesensors.B.inadequateheat-exchangercapacityunderspecificconditions.C.contaminatedhydraulicfluid.D.excessivepumprpm.63.SB29-123mandates:A.replacementofallpumpsat5000h.B.installationofacoolingfan.C.useoffire-resistantfluid.D.removaloftheheatexchanger.64.UndertherevisedMEL,dualelectricpumpoperationis:A.alwayspermitted.B.neverpermitted.C.restrictedwhenOAT>40°C.D.unrestrictedprovidedtheheatexchangerisnew.65.Thestagnantflowregiondevelopedprimarilyduring:A.cruiseflight.B.take-offroll.C.cargodooroperationonground.D.gearretraction.Section5Reading2(71–80)Passage:CompositerudderassembliesdeliveredsinceJanuary2024incorporateaco-curedtitaniummeshforlightningprotection.Initialinspectionsfounddisbondsalongthemesh-foaminterfaceafter2000flightcycles,wellbelowthe20000-cycledesigngoal.Microscopicanalysisrevealedchloridecontaminationtrappedduringcure,leadingtoosmoticblistering.Therepairschemeinvolvesremovaloftheaffectedarea,vacuum-assistedresininjection,andre-applicationofconductivepaint.Theairworthinessdirectivelimitstemporaryrepairsto500flighthoursandmandatesultimatereplacementatthenextheavycheck.71.Thelightningprotectionisprovidedby:A.aluminiumfoil.B.coppermesh.C.titaniummesh.D.expandednickel.72.Thedisbondswerecausedby:A.galvaniccorrosion.B.chloride-inducedosmoticblistering.C.ultravioletdegradation.D.hydraulicfluidingress.73.Thetemporaryrepairislimitedto:A.200h.?B.500h.?C.1000h.?D.2000h.74.Finalresolutionrequires:A.applicationofsealantonly.B.componentreplacement.C.re-torqueoffasteners.D.re-balancingtherudder.75.Thevacuum-assistedprocessisusedto:A.removechlorideions.B.injectfreshresin.C.curethetitaniummesh.D.applyconductivepaint.Section6Reading3(81–90)Passage:Anovelhealth-monitoringalgorithmprocessesvibrationsignalsfromaccelerometersmountedonenginebearings.Byapplyingawavelettransform,thesystemisolatestransientimpactscharacteristicofspalling.Athreshold-basedclassifierthentriggersamaintenancemessagewhenthekurtosisindexexceeds5.5.Fieldtrialsshowedzerofalsenegativesforbearingswithpitslargerthan0.25mm,buta12%false-positiveratecausedbyelectricalnoiseonolderaircraft.Thenextsoftwarerevisionwillincorporateadaptivefilteringtoreducenuisancealerts.81.Thealgorithmdetects:A.oildegradation.B.bearingspalling.C.bladetiprub.D.combustioninstability.82.Thewavelettransformisemployedto:A.amplifythesignal.B.isolatetransientimpacts.C.measuretemperature.D.calculateoilpressure.83.Thekurtosisthresholdissetat:A.3.5?B.4.5?C.5.5?D.6.584.Falsepositivesweremainlydueto:A.birdstrikes.B.electricalnoise.C.sensordrift.D.softwarevirus.85.Theforthcomingupdatewilladd:A.adaptivefiltering.B.higherkurtosislimit.C.manualoverride.D.opticalsensors.Section7Translation(91–95)Translatethefollowingintonatural,accurateEnglish.91.由于右主輪艙火警探測(cè)環(huán)路B故障，依據(jù)MEL26-12，飛機(jī)放行需滿足以下條件：隔離環(huán)路B，激活環(huán)路A單環(huán)路工作模式，并在飛行記錄本記錄。92.檢查發(fā)現(xiàn)起動(dòng)機(jī)離合器存在滑轉(zhuǎn)現(xiàn)象，超出AMM80-11-01允許的最大滑差率8%，需更換離合器組件。93.復(fù)合材料方向舵前緣出現(xiàn)25mm長(zhǎng)分層，深度未超過第3層，依據(jù)SRM51-42-11，允許采用樹脂注射法修理，固化后需做5MHz超聲檢測(cè)驗(yàn)證。94.滑油金屬含量光譜分析顯示鐵元素濃度由15ppm升至45ppm，鉻元素由3ppm升至12ppm，趨勢(shì)表明軸承磨損加劇，建議提前更換5號(hào)軸承。95.客艙氧氣瓶壓力在22°C環(huán)境下讀數(shù)為1450psi，低于放行標(biāo)準(zhǔn)1600psi，依據(jù)MEL35-00-01，需更換氧氣瓶或充氣至標(biāo)稱值。Section8ErrorIdentification(96–100)Eachsentencecontainsoneerror.Writetheletteroftheincorrectwordorphrase.96.Themechanic(A)was(B)unsatisfied(C)withthetorquewrenchcalibrationdate,(D)whichexpiredlastweek.97.The(A)newprocedure(B)requires(C)thatallfastenersis(D)torquedinthesequenceshown.98.After(A)thebirdstrike,(B)theleadingedge(C)were(D)inspectedfordents.99.The(A)supervisorreminded(B)them(C)tonot(D)overridethesafetyswitch.100.The(A)inspection(B)revealed(C)acorrosionpit(D)whomdepthexceeded0.5mm.AnswerKey1C?2B?3A?4B?5C?6B?7A?8A?9B?10