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1、一、选择题（每小题只有一个选项符合题意，请将你认为正确的选项字母填入下表相应空格内，每小题2分，共24分）题号123456789101112选项1．的相反数是 A、B、C、D、32．下列代数式的值中，一定是正数的是A、B、C、D、正面3．如图所示几何体的主视图是A BCD4．数，在数轴上的位置如图所示，则是 A、正数B、零C、负数D、都有可能a0bx5．下列计算正确的是 A、B、 C、D、6．如果，那么a与b之间的关系是A、相等B、符号相同C、符号相反D、互为相反数7．数轴上与原点的距离等于2个单位的点表示的数是 A、0和2B、和2C、和
2、3D、和28．棱柱的侧面都是 A、三角形B、五边形C、长方形D、圆9．当时，下列代数式中值最大的是 A、B、C、D、strengthenthesenseofresponsibility,worktosolvethelackofdecentoccupationexplainaway,conductproblems.Toestablishtheoverallconcept,eliminatedepartmentalism.Strictassessmentandaccountability,tosolvethespiritualslack,nianq
3、ingpazhong,statusquo,andotherissues.ToestablishandperfectthemuddlealongBureaustaffconductworkregulations,standardizethebehaviorofpersonnel.2.Tostrengthentheresponsibilitysystem.Oneisthein-depthstudyandimplementthe"HunanprovincialPartyandgovernmentleadingcadresInterimProvisions
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5、etyproductionadministrationandinspectiontopromotetheresponsibilitiesbearsafetyproductionsupervisiondepartmentsstrictlyandeffectivelyassumedresponsibility.Thethreeistoestablishriskselfcorrectionselfreportingsystemforsafetyinproductionenterprises,promotetheenterprisestoimplement
6、themainresponsibilityforproductionsafetyisintroduced.Fourstrengthenthecountysafetyproductionsupervisionabilityconstructionwork,promotesafeproductionresponsibilitytothegrassroots.3,strictaccountabilityandtargetmanagement.Adheretothe"whoisincharge,whoisresponsibleforthepipeindus
7、trymustbesafe,GuanShengproductionandoperationmustbesafe,pipebusinessmustcontrolsecurity"principle,theimplementationofsafetyTheproductionof"cure."stagnationsupervisionandleadershipresponsiblesystem.Thesafetyproductionofkeytowns,keyenterprisesandkeyproblems,bythetownshipgovernme
8、ntandtheDepartmentresponsibleforthestagnationledthelumpsum,to
