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1、009年广州市初中毕业生学业考试（009yearsofGuangzhoujuniorhighschoolgraduates'academicexamination）Juniorhighschoolstudents'academicexaminationinGuangzhouin2009Mathematics150points,thetesttime120minutesAmultiple-choicequestion,(thetotalof10questions,eachquestion3point
2、soutof30points.Foreachquestiontherearefouroptions,oneisinlinewiththerequirementsofthesubject).1.thepatternthatcanbeobtainedbytranslatingthepatternshowninFig.1is(A)2.inFigure2,AB,CD,ABandCDrespectivelyintersectwiththeline,iftheangleis1=130degrees,angle
3、2=(C)(A)40degree(B)50degree(C)130degree(D)140degree3.,intherealaxispositionasshowninFigure3,thesizeandthe(C)(A)(B)(C)(D)cannotbedeterminedTheminimumvalueofthetwo4.functionis(A)(A)2(B)1(C)-1(D)-25.Figure4isthetemperaturechangemapofadayinGuangzhou.Accor
4、dingtofigure4,thefollowingstatementiswrong(D)(A)themaximumtemperatureis24degreescentigradeonthisday(B)thedifferencebetweenthemaximumandminimumtemperaturesonthisdayis16degreescentigrade(C)thetemperaturebetween2and14isincreasinggradually(D)thetemperatur
5、ebetween14and24isgraduallydecreasingonthisday6.thefollowingcalculationsarecorrect(B)(A)(B)(C)(D)Thefollowing7.functions,therangeofvariablesisgreaterthanorequalto3is(D)(A)(B)(C)(D)8.onlyoneofthefollowingregularpolygonaltilescanbecoveredontheground(C)(A
6、)positivetensided(B)positiveeightsidedshape(C)regularhexagon(D)regularpentagon9.theradiusofthebottomoftheconeis5cm,andtheareaofthesideis65PIcm2.Thevalueofthesinthetais(B)whenthegeneratrixoftheconeishighandtheangleoftheheightistheta(asshowninFigure5)(A
7、)(B)(C)(D)10.inFigure6,inABCD,AB=6,AD=9,BADtoBCanglebisectorpointE,DClineinF,BGgroupofAE,G,BG=,pedal,perimeterforDeltaCEF(A)(A)8(B)9.5(C)10(D)11.5Two,fillintheblanks(thetitleof6items,eachitem3pointsoutof18points)11.knownfunction,when=1,thevalueis_____
8、___212.inaschoolattheartfestivalperformancesinthecompetition,ninejudgesforoneshowatthesiteofthescoresareasfollows:9.3,8.9,9.3,9.1,8.9,8.8,9.3,9.5,9.3,isthemodeofthisdatasetis________9.3Theabsolutevalueof13.is6,andthenumberis________+6,-6The14.
