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1、__________________系__________专业___________班级姓名_______________学号_______________………………………………（密）………………………………（封）………………………………（线）………………………………密封线内答题无效2011－2012学年第二学期期末考试《高等数学（下）》试卷(B)答卷说明：1、本试卷共6页，四个大题，满分100分，120分钟完卷。2、闭卷考试。3、适用班级：11级通信系、电子系本科各班.题号一二三四总分分数评阅人:_____________总分人：______________
2、得分一、单项选择题（共10小题，每小题3分，共30分）。【】1.设有直线:及平面:,则直线(A)平行于(B)在内(C)垂直于(D)与斜交【】2.锥面与柱面的交线在面的投影为(A)(B)(C)(D)【】3.设函数由方程确定,则的值为(A)(B)(C)(D)【】4.函数在点处偏导数存在是函数在该点可微的(A)必要条件（B)充要条件(C)充分条件(D)既非充分也非必要条件【】5.将二次积分转化成先对,后对的二次积分为(A)(B)manufacturersdrawingsboltfastenedinthecylinderandoutercylinder.Cylinder
3、cylinderinthedrainpipeinstallationandmeasuringcomponentleads.6.4.4.3bladecarrier,partitionsandlowerinstallationcheckthesealingringofthesealandsprings,whichshallconformtothetechnicalrequirementsmanufacturersdrawings.CylindergasketonthemountingbracketssupportingtheGroupassembled,thelug
4、sshallbenoBurronthesurface,andotherdebris.Departmentsuiteinplacetomeasuresurfaceandinnercylindersurfaceheightdifference,comparedwiththeoriginalvaluesconfirmthelocation.6.4.4.4lowerbearingandthrustbearinginstallationcleanbearingandbearing,thrustbearingjoints,cleanthemwithathinlayeroft
5、urbineoil,andthenliftingittobits.6.4.4.5highandmiddlepressurecylinderoverittotheend(forhighpressurerotorandlowpressurechangeflangegasketwithoutconnectionunit)rotorsandrotorflangegasketconnectionandthereisnoconnection,sotherotorinplacecases,rotorsinplacemustbehighandmiddlepressurecyli
6、ndertogetherwiththeChamberoverittotheend.Jackintheboxthatareinstalledonapush-pulldeviceofadjustingthehighandmediumpressurecylindertoendoverandaroundtosetupindicatorstomonitordata,generaldataaboutthedifferencemustnotexceed0.02mm.Topreventcylinderaboutoutofsyncoverthesituation,takethef
7、ollowingmeasures:a)overJackusesthesamepump,evenly.B)lefttosetupindicatorstomonitoroverquantity.TopreventthemovementovertheChamberwhentheplaten,atthetopofthefrontbearingplateinstalledtight,thenanchorbasenexttothecorresponding《高等数学(下)》试卷(B)第9页共6页(C)(D)【】6.设为圆(逆时针方向),则(A)(B)(C)(D)【】7.下列
8、级数中,发散的级数是(A
