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1、成都市二O一四年高中阶段教育学校统一招生考试(含成都市初三毕业会考)数学A卷(共100分)第I卷(选择题,共30分)一、选择题(本大题共10个小题,每小题3分,共30分,每小题均有四个选项,其中只有一项符合题目要求,答案涂在答题卡上)1.在-2,-1、0、2这四个数中,最大的数是()(A)-2(B)-1(C)0(D)22.下列几何体的主视图是三角形的是()(A)(B)(C)(D)3.正在建设的成都第二绕城高速全长超过220公里,串起我市二、三圈层以及周边的广汉、简阳等地,总投资达290亿元,用科学计数法表示290亿元应为()(A)290×(B)290×(C)2.90×(
2、D)2.90×4.下列计算正确的是()(A)(B)(C)(D)5.下列图形中,不是轴对称图形的是()(A)(B)(C)(D)6.函数中自变量的取值范围是()技术官员村位于位于亚运城东部,主干道二以东石楼涌以西的地块,占地面积、m2,总建筑面积、m2,共包括地下室南区、地下室北区、地上部分1栋~12栋、服务中心、室外工程等多个单体工程。其中住宅面积m2,共12栋,1~7栋建筑层数为11层,8~12栋11层(局部复式顶层),首层局部架空,布置公建配套设施。integratedenergy,chemicalsandtextileYibincity,arethethreecor
3、epillarsoftheindustry.In2014,thewuliangyebrandvalueto73.58billionyuan,thecity'sliquorindustrysliptostabilise.Promotingdeepdevelopmentofintegratedenergy,advancedequipmentmanufacturingindustry,changningdistrict,shalegasproductioncapacityreached277millioncubicmetres,builtthecountry'sfirstin
4、dependenthigh-yieldwellsandpipelinesinthefirstsection,theleadinfactoryproductionandsupplytothepopulation.2.1-3GDPgrowthfigure2.1-4Yibin,Yibincity,Yibincity,fiscalrevenuegrowth2.1.4topographyterrainoverallisSouthwest,North-EasternState.Lowmountainsandhillsinthecitylandscapeasthemainridge-
5、and-Valley,pingbasmallfragmentednaturepicturefor"waterandthesecondlandofthesevenhills".236metersto2000metersabovesealevelinthecity,lowmountain,46.6%hills45.3%,pingbaonly8.1%.2.1.5developmentofYibinlandscapesanddistinctivefeatureinthecenterofthecity,withlimitations,andspatialstructureofty
6、picalzonalgroup,2012-citiesinbuildingwithanareaofabout76.2km2.Fromcity-buildingsituation,"oldtown-theSouthBank"Centerconstructionislaggingbehind,disintegrationoftheoldcityisslow,optimizationandupgrading,qualitypublicserviceresourcesarestillheavilyconcentratedintheoldtowntogether.Southban
7、kCentrehasnotbeenformed,functionsoftheserviceareaspaceismissing.Meanwhile,peripheralgroupcentresservicewasweakandinadequateaccountingforcitydevelopment,"suspicious"patterncouldnotbeformed.Asregardstransport,withtheoutwardexpansionofcities,citieshavebeenexpanding,centripet