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1、《高等数学1》练习题库测试题一、选择题1、设E=，则（）A、E为连通域；B、E不是连通域；C、E为单连通域；D、E为复连通域；2、函数的定义域是（）A、B、C、D、3、函数的定义域是（）A、B、C、D、4、()A、等于eB、等于1C、等于0D不存在5、设函数在（）上连续。()A、全平面B、全平面除去原点C、全平面除C轴C、全平面除y轴6、在矩开展区域D：（常量）的（）A、必要条件B、充分条件C、充要条件C、既非充非也非必要条件7、设的值分别为（）A、4和0B、0和4C、0和0D、4和48、设的值分别为（）A、0，0,2rB、0，2r，0C、2r，0，0D、
2、0，0，09、当（）时，由方程具有连续导函数。()theirownconditionstodevelopthecorrectroad,themaximumtoavoidinvestmentrisk,gainprofit.(three)vigorouslypromotethebrand.Toestablishbrandawareness,awarenessoftheuseofbrand,brandvalue,brandacquisitionperformance,enhancethecompetitivestrength.Concentratedmanpow
3、er,carefulplanning,packagingandpublicityofanumberofunique,marketinfluenceandcoverageofthebrand,theimplementationofkeybreakthroughs,toenhancethecompetitivestrength,walkingbusinessroadthecompetitionofalienationandcharacteristics,thepursuitofstabilityanddevelopmentofthemarket.(four)t
4、opromotetheintegrationofresources.Tofurtherbroadentheirhorizons,effectiveintegrationofresourceswithinthegroup,thecityresources,otherindustriesandregionalresources,mutualtrust,mutualbenefit,seekingwin-winprinciple,intheframeworkofnationalpoliciesandregulations,strictinspectionandar
5、gumentation,legalconsultation,examinationandapprovalprocedures,strictregulationofeconomicactivities,attractinjectionthesocialinvestmenttotheindustrygroup,toachieveleveragingthedevelopment,ensurethatthevalueofstate-ownedassets.(five)tostrengthentheconstructionmanagementpersonnel.St
6、rengthenthemanagementofeducationandtrainingofcadresandworkersoftheexistingbusiness,firmlyestablishtheconceptofthemarket,enhancethesenseofcrisistoadapttomarketcompetition,thesenseofurgency,improvetheabilitytorespondtomarketcompetition,improvemanagementandoperationofthemarket.Atthes
7、ametime,accordingtotheneedofindustrialdevelopment,vigorouslytheintroductionofhigh-qualitymanagementmanagementpersonnel,andstrivetobuildahigh-qualityprofessionalmanagementteam,hardwork,andpromotetheentireworkforceknowledgestructure,agestructure,structureoptimizationandupgradingabil
8、ity,enhancecorecompetitiveness,ad
