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机电专业英语复习题及答案.doc
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1、(完整版)机电专业英语复习题及答案机电专业英语期末复习试题一选择题1.Ifallpointsinalinkagemoveinparallelplanesthesystemundergoesplanarmotionandthelinkagemaybedescribedasa_.A.planarmotionB.planarlinkageC。jointsD。slide2。Thoughframematerialanddesignshouldhandledamping, _aresometimesbuiltintoframesectionstohandlespecificproblems.A.beams
2、B。holesC。dampersD。screw3.Themaximumallowabledeflectionofashaft_determinedbycriticalspeed,gear,orbearingrequirements。A.oftenB.mustC.wasD。isusually4。Wewillhaveto_tobetterandbettersolutionsaswegeneratemoreinformation。A。repeatmanytimesB.iteratingC.iterateD.tryways5.Ifaproductconfigurationis_specifiedand
3、thenexaminedtodeterminewhethertheperformancerequirementsaremet。A.finallyB.tentativelyC。temporaryD.havebeen6。Manufacturingcanbedefinedasthe_ofrawmaterialsintousefulproductsthroughtheuseoftheeasiestandlestexpensivemethods.A。transformationB。processingC.processD。transforming7.Theplanerandkneetypesofmill
4、ingmachineis_becauseofitsflexibility.A.usedmostcommonlyB.mostpopularC。themostcommonlyusedD。mostpowerful8.Asaresult,thesystemwillvibrateatthefrequencyofthe_forceregardlessoftheinitialconditionsornaturalfrequencyofthesystem.A。actionB.excitationC.outD.act9。Beforetwocomponentsareassembledtogether,therel
5、ationshipbetweenthedimensionsofthematingsurfaces_.A。mustbegivingoutB.shouldprintedclearlyC.mustbespecifiedD.shouldbeclearlynoted10.Themainpracticaladvantageoflowerpairsistheirbetterabilitytotraplubricantbetweentheir_surfaces.A。envelopingB.matingC。outerD。outside11.Theword_itselfusuallyreferstothedete
6、riorationofmetalsandceramics,whilesimilarphenomenainplasticsgenerallycalled_.A。recrystallization.corrosionB.recrystallizationdegradationC.degradationcorrosionD。corrosiondegradation12.Mostframes_castiron,weldsteel,composition,orconcrete.A.aremadefromB.aremadeupofC.wasproducedbyD。wasconsistof13。Rotati
7、ngshaftsparticularlythosethatrunathighspeeds,mustbedesignedtoavoidoperationat_speeds.A.lowB.overloadC.criticalD.hollow14。Althoughcastironisafairlycheapmaterial,eachcastingrequiresa_。A.patternB。modelC.moldD.patent15.Theterm_isusedtodescribejointswithsurfacecontact,aswithapinsurroundedbyahole.A.highpa
8、irB。lowpairC。surfacepairD。rotarypair1-5:BCDCB610:ACBCA11-15DACAB二阅读1.Lassiewasabigdog。Shewasveryclever.Shewasalwayshelpingsomeone。Oncesomebadmentooksomemoneyfromanoldman。Theytiedhimupwitharopeandlefthimonthefloor。TheykeptLassieinanotherroom。Lassietriedtoopenthedooroftheroom.Butshecouldnt.Therewasala
9、rgewindowintheroom,butitwastoohighforLassietoreach.Shepulledachairovertowindowandstoodonit.Shepushedandpulledandpulledatthewindowandatlastgotitopen。Withagreatjump,shegotout.Lassiecamebackintothehouseandfoundtheroomwheretheoldmanwasleft.Sheuntiedtheroperoundtheoldmansarmsandlegs.Thenshehelpedhimoutof
10、thehouseanddowntheroadtothenearesthouse。()1.Lassiewas_。A。ababyB。acatC。adogD。agirl()2。Oncesomebadmentoolsomemoneyfrom_.A.ayoungmanB.ayoungwomanC.anoldwomanD。anoldman()3.Lassie_thedooroftheroom。A.didntopenB。openedC。shutD。didntshut()4._untiedtheoldman.A.AgirlB.AcatC.AwomanD。Lassie()5。_caughtthebadmen.A
11、。ThedogB.LassieC。ThepolicemenD。Thegirl2.Mr。Georgeworksattheschoollostandfound。Heworksverycarefully。Everyday,whenhegetsalostthing,hetakesnotesaboutit。Therearepens,books,schooluniforms,keys,walkmansandmanyotherthingsinthelostandfound.Mostofthemarethestudents。Ifyouloseyourthings,itseasyforyoutogotothel
12、ostandfoundforhelp。ButyoumusttellMr.Georgewhatitisanditscolorandthedaywhenyoucantfindit。IthinkMr.Georgeisveryhelpful,andyouwillbehappywhenyoufindthelostthere。()6。Whoworksattheschoollostandfound?A.Mr.BrownB.Mr。KingC.Mr。GeorgeD.Nobody()7。Thereare_thingsinthelostandfound.A.noB.fewC.afewD.many()8。Mostth
13、ingsMr。Georgetakescareofarethe_.A。boysB.girlsC.studentsD.teachers()9.Ifyouloseyourthings,youdbettergotoask_。A.BenB。Mr.GeorgeC。yourteacherD.yourparents()10.Ifyouloseyourthingsandgotothelostandfoundforhelp,youneednttellMr。George_。A。WhatitisB.howmuchitisC.itscolorD.thedaywhenyoulostit.3.Thestudentswere
14、havingtheirchemistry(化学)class.MissLiwastellingthechildrenwhatwaterwaslike。Afterthat,sheaskedherstudents,Whatswater?”NoonespokeforafewminutesMissLiaskedagain,“Whydontyouanswermyquestion?DidntItellyouwhatwaterislike?”Justthenaboyputuphishandandsaid,“MissLi,youtoldusthatwaterhasnocolourandnosmellButwhe
15、retofindsuchkindofwater?Thewaterintheriverbehindmyhouseisalwaysblackandithasabadsmell”Mostofthechildrenagreedwithhim“Imsorry,childrensaidtheteacher,“OurwaterisgettingdirtieranddirtierThatsaproblem()11.Thestudentswerehavingtheir_classAEnglishBChineseCchemistryDmaths()12MissLiwastellingthechildrenwhat
16、_waslikeAwaterBairCearthDweather()13Aboysaid,”Thewaterintheriverbehindmyhouseisalways_”AwhiteBblackCcleanDclear()14Mostofthechildren_theboyAagreedwithBwrotetoCheardfromDsentfor()15Thewaterintheriverhascolourandsmellbecauseitisgetting_AmoreandmoreBlessandlessCcleanerandcleanerDdirtieranddirtier15:CDA
17、DC610:CDCBB11-15:CABAD4.Workingdrawingsarethecompletesetofstandardizeddrawingsspecifyingthemanufactureandassemblyofaproductbasedonitsdesign.Thecomplexityofthedesigndeterminesthenumberandtypesofdrawings.Workingdrawingsmaybeonmorethanonesheetandmaycontainwritteninstructionscalledspecifications。 Workin
18、gdrawingsareblueprintsusedformanufacturingproducts。Therefore,thesetofdrawingsmust:(a)completelydescribetheparts,bothvisuallyanddimensionally;(b)showthepartsinassembly;(3)identifyalltheparts;and(4)specifystandardparts。Thegraphicsandtextinformationmustbesufficientlycompleteandaccuratetomanufactureanda
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