课程机械工程专业英语课程性质（□必修□限选□任选）考试方式（□闭卷□开卷）一、选择题（在每题四个备选答案中选出一个正确答案，本大题共15小题，每小题1分，总计15分）1.Ifallpointsinalinkagemoveinparallelplanesthesystemundergoesplanarmotionandthelinkagemaybedescribedasa.A.planarmotionB.planarlinkageC.jointsD.slide2.Thoughframematerialanddesignshouldhandledamping,A.beamsB.holesC.dampersD.screw3.Themaximumallowabledeflectionofashaft______determinedbycriticalspeed,gear,orbearingrequirements.A.oftenB.mustC.wasD.isusually4.Wewillhaveto_____tobetterandbettersolutionsaswegeneratemoreinformation.A.repeatmanytimesB.iteratingC.iterateD.tryways5.Ifaproductconfigurationis_______specifiedandthenexaminedtodeterminewhethertheperformancerequirementsaremet.A.finallyB.tentativelyC.temporaryD.havebeen6.Manufacturingcanbedefinedasthe_____ofrawmaterialsintousefulproductsthroughtheuseoftheeasiestandlest-expensivemethods.A.transformationB.processingC.processD.transforming7.Theplanerandkneetypesofmillingmachineis_____becauseofitsflexibility.A.usedmostcommonlyB.mostpopularC.themostcommonlyusedD.mostpowerful8.Asaresult,thesystemwillvibrateatthefrequencyofthe_____forceregardlessoftheinitialconditionsornaturalfrequencyofthesystem.A.actionB.excitationC.outD.act9.Beforetwocomponentsareassembledtogether,therelationshipbetweenthedimensionsofthematingsurfaces_______.A.mustbegivingoutB.shouldprintedclearlyC.mustbespecifiedD.shouldbeclearlynoted10.Themainpracticaladvantageoflowerpairsistheirbetterabilitytotraplubricantbetweentheir______surfaces.A.envelopingB.matingC.outerD.outside11.Theword______itselfusuallyreferstothedeteriorationofmetalsandceramics,whilesimilarphenomenainplasticsgenerallycalled______.A.recrystallization….corrosionB.recrystallization…degradation从实施课程改革以来，我反复学习有关的教育教学理论，深刻领会新课标精神，认真反思自身教学实际，研究学生，探究教法题号一二三四五六七八总分得分C.degradation…corrosionD.corrosion…degradation12.Mostframes_______castiron,weldsteel,composition,orconcrete.A.aremadefromB.aremadeupofC.wasproducedbyD.wasconsistof13.Rotatingshaftsparticularlythosethatrunathighspeeds,mustbedesignedtoavoidoperationatspeeds.A.lowB.overloadC.criticalD.hollow14.Althoughcastironisafairlycheapmaterial,eachcastingrequiresa.A.patternB.modelC.moldD.patent15.Thetermisusedtodescribejointswithsurfacecontact,aswithapinsurroundedbyahole.A.highpairB.lowpairC.surfacepairD.rotarypair二、完型填空（在每个小题四个备选答案中选出一个正确答案，本大题共15小题，每小题1分，总计15分）Thetermshaftusuallyreferstoarelativelylongmemberofroundcrosssectionthatrotatesandtransmitspower.Oneormorememberssuchasgears,sprockets,pulleys,andcamsareusually(16)totheshaftbymeansofpins,keys,splines,snaprings,andotherdevices.Theselattermembersareamongthe“associatedparts”consideredinthistext,asarecouplingsanduniversaljoint,whichserveto(17)theshafttothesourceofpowerorload.Ashaftcanhaveanoroundcrosssection,antitneednotnecessarilyrotate.Itcanbestationaryandserveto(18)arotatingmember,suchastheshortshaftsthatsupportthenondrivingwheelsofanautomobile.Theshaftssupporting(19)gearscanbeeitherrotatingorstationarydependingon(20)thegearisattachedtotheshaftorsupportedbyitthroughbearings.Itisapparentthatshaftscanbesubjectedtovariouscombinationsofaxial,bending,and(21)loads,andthattheseloadsmaybestaticorfluctuating.Typically,arotatingshaftt...
