2011线性代数试卷A标准答案和评分标准

Followingpartsofordinaryboltconnection:wall-beams,purlins,knee.Designofdrainage,electrical,heating,ventilation,airconditioning,powershouldbesubjecttosafetyrequirementsforsteelstructuresofotherprofessions,itisforbiddentoweldhangingloadandincreasedroofandcolumns.ConstructionpreparedandtheconstructionlayoutfirstsectionmaterialpreparedandtheprocessingproductionpreparedaccordingtoZhejiangmorePalacesteellimitedandWuhanintelligentelevatorlimitedbysignedofcontractfileandtheInstituteprovidesofsteeldesignblueprint,IcompanyandtheOrganizationTechnologyDepartment,productiondepartment,procurementDepartment,biddoEngineeringDepartment,relatedproductionsectorfordrawingstriage,andaccordingtoownersrequirementstimelydesignoutproductionandtheprocessingdetailandforhasrelatedprofessionalsectorofstrictlytriage,specificworkprocessfollowing:Biddobidnotice→TechnologyDepartment→addupdo→procurementdepartment→productiondepartment→qualityDepartment→EngineeringDepartmentTechnologyDepartmentproductionandtheprocessingdetailproposedHou,byaddupdocoordinationthesectorofsupportingwork,andbyfigurelinebyvarieties,andspecifications,andqualityforclassified,andnotificationProcurementDepartmentformaterialofmarketsurveyandprocurement,byqualityDepartmentaccordingtobypurchasedmaterialofspecificationsvarietiesforqualityreviewandtest,notqualifiedofmaterialvarietiesandspecificationsstronglybanfortheengineeringinthe,Afterpassinginspectioninformedtheworkshopofproductionoftimberaccordingtostrictproductiondetailsofproduction,workshoporganizedbytheGeneralManagerbeforetheproductiontechnologyandsecuritysectortechnicalsafetytraining,safetyeducationcompanytostrictlythree-leveldisclosure,trainingofqualifiedpersonnelisstrictlyprohibitedtopostproduction,productionpersonnelmustbelistedtowork,youmusthavethecorrespondingcertificate.Roadworkersmusthavethecertificate,andregularassessmentsshouldbecarriedout,notaskilledoperatorpostsisstrictlyprohibited.Productionofvariousitemsofequipment,appliancesandother,non-professionalisstrictlyprohibitedactionsandstrictregulations,strongrewards,beeliminated.Productionlinesetonperson,title,responsibilities,andperformanceandsafetycomprehensiveassessment.Materialprocurementprocessstrictlyhandlingthe带领村民治理黄沙的谷文昌同志、发展蔬菜大棚种植技术的山东寿光王伯祥同志、“鞠躬尽瘁，死而后已”的焦裕禄同志，他们都是终其一生，以一颗赤诚的服务群众之心，带领村民脱贫致富。华南农业大学期末考试试卷（A卷）2010-2011学年第2学期考试科目：线性代数试类型：（闭卷）考试考试时间：120分钟学号姓名年级专业题号一二三四五总分得分评阅人一、选择题（本大题共5小题，每小题3分，共15分）在每小题的选项中，只有一项符合要求，把所选项前的字母填在题中括号内1.设矩阵A,B,C能进行乘法运算，那么（B）成立(A)AB=AC，A0，则B=C(B)AB=AC，A可逆，则B=C(C)A可逆，则AB=BA(D)AB=0，则有A=0，或B=02.设A为n(n≥2)阶矩阵，且A2=I，其中I为单位阵（下同），则必有（C）(A)A的行列式等于1(B)A的逆矩阵等于I(C)A的秩等于n(D)A的特征值均为13．设向量组4321,,,线性相关，则向量组中（A）(A)必有一个向量可以表为其余向量的线性组合(B)必有两个向量可以表为其余向量的线性组合(C)必有三个向量可以表为其余向量的线性组合(D)每一个向量都可以表为其余向量的线性组合4．设n元齐次线性方程组x0A的系数矩阵A的秩为r，则x0A有非零解的充分必要条件是（B）5.设A为n阶方阵，0A，*A是A的伴随矩阵。则：*A等于(C)得分(A)nr(B)nr(C)nr(D)nr(A)A(B)A1(C)1nA(D)nAFollowingpartsofordinaryboltconnection:wall-beams,purlins,knee.Designofdrainage,electrical,heating,ventilation,airconditioning,powershouldbesubjecttosafetyrequirementsforsteelstructuresofotherprofessions,itisforbiddentoweldhangingloadandincreasedroofandcolumns.ConstructionpreparedandtheconstructionlayoutfirstsectionmaterialpreparedandtheprocessingproductionpreparedaccordingtoZhejiangmorePalacesteellimitedandWuhanintelligentelevatorlimitedbysignedofcontractfileandtheInstituteprovidesofsteeldesignblueprint,IcompanyandtheOrganizationTechnologyDepartment,productiondepartment,procurementDepartment,biddoEngineeringDepartment,relatedproductionsectorfordrawingstriage,andaccordingtoownersrequirementstimelydesignoutproductionandtheprocessingdetailandforhasrelatedprofessionalsectorofstrictlytriage,specificworkprocessfollowing:Biddobidnotice→TechnologyDepartment→addupdo→procurementdepartment→productiondepartment→qualityDepartment→EngineeringDepartmentTechnologyDepartmentproductionandtheprocessingdetailproposedHou,byaddupdocoordinationthesectorofsupportingwork,andbyfigurelinebyvarieties,andspecifications,andqualityforclassified,andnotificationProcurementDepartmentformaterialofmarketsurveyandprocurement,byqualityDepartmentaccordingtobypurchasedmaterialofspecificationsvarietiesforqualityreviewandtest,notqualifiedofmaterialvarietiesandspecificationsstronglybanfortheengineeringinthe,Afterpassinginspectioninformedtheworkshopofproductionoftimberaccordingtostrictproductiondetailsofproduction,workshoporganizedbytheGeneralManagerbeforetheproductiontechnologyandsecuritysectortechnicalsafetytraining,safetyeducationcompanytostrictlythree-leveldisclosure,trainingofqualifiedpersonnelisstrictlyprohibitedtopostproduction,productionpersonnelmustbelistedtowork,youmusthavethecorrespondingcertificate.Roadworkersmusthavethecertificate,andregularassessmentsshouldbecarriedout,notaskilledoperatorpostsisstrictlyprohibited.Productionofvariousitemsofequipment,appliancesandother,non-professionalisstrictlyprohibitedactionsandstrictregulations,strongrewards,beeliminated.Productionlinesetonperson,title,responsibilities,andperformanceandsafetycomprehensiveasses