人教版八年级上册数学一次函数单元测试题及答案

In2016CountyEconomicworkshopShangofspeechcomradeare:thiscountyeconomicworkshopofmaintaskis,fullimplementimplementationCentral,andprovincial,andmunicipaleconomicworkshopandprovincepartymainleadersseminarspirit,recalledsummaryresults,analysisjudgesituation,arrangementsdeploymentnewannualfocusworktask,mobilizationCountyupperandlowerfurthergraspnewnormal,implementationnewconcept,tempernewstyle,shownewas,struggledtoadvanceCountyeconomicsocialtransformationupgradesciencedevelopment.Following,toldfouraaspectsofproblem:a,andfullcertainlyresults,effectivefirmtransformationupgradeofconfidenceanddetermination2015,facemacroeconomicdownpressurecontinuedincreasedofseveresituationanddifficultheavyofreformdevelopmenttask,CountyupperandlowertightatCentralandprovincesseriesmajordecisiondeployment,firmlygraspstabilityintheseekingintototaltone,activeadaptedeconomicdevelopmentnewnormal,focusedfocusfield,fullworkstorming,Countyeconomicsocialdevelopmentrenderingoutcontrariantogood,andstabilityinthehasinto,andmorepointsbreakthrough,andOverallagoodtrend.Oneiscloselylinkedtothetransformationandupgradingoftheglobal,comprehensiveeconomicpowersignificantly.Accuratelygaugethemacrosituationandbasedonrealcomprehensiveplan,stronglypromotethesustainedandhealthydevelopmentofeconomyandsociety.Projectsupportcapacityincreasedsignificantly.Adheretotheinsideandoutsidesimultaneously,build,implementationofnationalandprovincialinvestmentof625millionYuan,forStateoneortwo,three,fourorfivespecificbondfundsandlocalreplacementbondfundsof554millionYuan,forthestartingyearofkeyconstructionprojectshaslaidasolidfoundation.Inparticularthenationalcirculareconomydemonstrationcountiesand.twoState-levelpilotprojectofecologicaldemonstrationCountyprojectplatformssettledinjingchuan,ZhuJiaJianconstructionofthereservoirbegan,handicapreservoirs,LiuLihereservoirpreparat4ionworkgoeswell,takesolidstepsforcomprehensiveutilizationofwaterresources;citygasstationtospeedupimplementationoftheproject,IbecametheCounty'sfirstWest-EastgaspipelineprojectinthesurroundingareabenefitfromtheCounty,majorprojectssupportedincreasedsignificantly.Overallwell-offsocietyconstantlyconsolidate254thebasis.Battlevictoryindustrialdevelopmentastheprimarytaskofthewell-off,fruitproductionsuitableforfullcoverageofthetargetwillberealized,vegetableindustrydevelopmentareaextending,farmingaquaculturechangesthemomentumoftheshow,markets+enterprise+base+farmersastheygraduallyintroducedmeasuressignificantlystrengthenstandardizedmanagement,industryconstantlyconsolidatethebasisandenriching.Investmentattractionresultscontinuetoexpand.Adheretothesoftenvironmentofexcellenceandimprovetheenvironmentareequally严格遵守招标合同文件明确的设计规范、施工规范和质量评定与验收标准。坚持技术先进性、科学合理性、经济适用性、安全可靠性与实事求是相结合。通过对劳务、设备、材料、资金、技术、方案、信息、时间与空间条件的优化处置，实现成本、工期、质量及社会信誉的预期目标效果。八年级数学第三次月考测试题一、填空题（每小题3分，共27分）1、若函数28(3)mymx是正比例函数，则常数m的值是。2、平方根与立方根相等的数是；3、从A地向B地打长途电话，按时收费，3分钟内收费2.4元，以后每超过1分钟加收1元，若通话t分钟（t3），则需付电话费y（元）与t（分钟）之间的函数关系式是。4、某市自来水公司为了鼓励市民节约用水，采取分段收费标准，某市居民每月交水费y（元）与水量x（吨）的函数关系如图所示，请你通过观察函数图象，回答自来水公司收费标准：若用水不超过5吨，水费为元/吨；若用水超过5吨，超过部分的水费为元/吨。5.等腰三角形是轴对称图形，它的对称轴是；6.等腰三角形的顶角的外角度数为130o，则底角的度数为；7、如图1，△ABC≌△AED，∠D=40O，∠B=45O，则∠C=；∠DAE=；8.如图2，点A、B、C、D在同一条直线上，AB=CD，DE∥AF，要使△ACF≌△DBE，则还需要添加一个条件：（只需写一个条件）9、学校阅览室有能坐4人的方桌，如果多于4人，就把方桌拼成一行，2张方桌拼成一行能坐6人，如图所示，请你结合这个规律，填写下表：拼成一行的桌子数1234……n人数468……aaEBADC图1ABCFED图3In2016CountyEconomicworkshopShangofspeechcomradeare:thiscountyeconomicworkshopofmaintaskis,fullimplementimplementationCentral,andprovincial,andmunicipaleconomicworkshopandprovincepartymainleadersseminarspirit,recalledsummaryresults,analysisjudgesituation,arrangementsdeploymentnewannualfocusworktask,mobilizationCountyupperandlowerfurthergraspnewnormal,implementationnewconcept,tempernewstyle,shownewas,struggledtoadvanceCountyeconomicsocialtransformationupgradesciencedevelopment.Following,toldfouraaspectsofproblem:a,andfullcertainlyresults,effectivefirmtransformationupgradeofconfidenceanddetermination2015,facemacroeconomicdownpressurecontinuedincreasedofseveresituationanddifficultheavyofreformdevelopmenttask,CountyupperandlowertightatCentralandprovincesseriesmajordecisiondeployment,firmlygraspstabilityintheseekingintototaltone,activeadaptedeconomicdevelopmentnewnormal,focusedfocusfield,fullworkstorming,Countyeconomicsocialdevelopmentrenderingoutcontrariantogood,andstabilityinthehasinto,andmorepointsbreakthrough,andOverallagoodtrend.Oneiscloselylinkedtothetransformationandupgradingoftheglobal,comprehensiveeconomicpowersignificantly.Accuratelygaugethemacrosituationandbasedonrealcomprehensiveplan,stronglypromotethesustainedandhealthydevelopmentofeconomyandsociety.Projectsupportcapacityincreasedsignificantly.Adheretotheinsideandoutsidesimultaneously,build,implementationofnationalandprovincialinvestmentof625millionYuan,forStateoneortwo,three,fourorfivespecificbondfundsandlocalreplacementbondfundsof554millionYuan,forthestartingyearofkeyconstructionprojectshaslaidasolidfoundation.Inparticularthenationalcirculareconomydemonstrationcountiesand.twoState-levelpilotprojectofecol