首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
圆心在原点上与直线x+y-2=0相切的圆的方程为______．
查看本题答案
包含此试题的试卷
中学教师招聘考试《填空》真题及答案
点击查看
你可能感兴趣的试题
一个圆的圆心在直线x-y-1=0上与直线4x+3y+14=0相切在3x+4y+10=0上截得弦长为6
.圆心在x轴上经过原点并且与直线y=4相切的圆的一般方程是
圆心在抛物线x2=2y上与直线2x+2y+3=0相切的圆中面积最小的圆的方程为.
圆心在原点且与直线x＋y－＝0相切的圆的方程为________.
圆心为－12且与直线2x－y－1=0相切的圆的方程是________.
以点﹣13为圆心且与直线x﹣y=0相切的圆的方程为
圆心为11且与直线x＋y＝4相切的圆的方程是________.
半径为5圆心在y轴上且与直线y＝6相切的圆的方程为________________.
求圆心在直线y=﹣4x上并且与直线lx+y﹣1=0相切于点P3﹣2的圆的方程.
在直角坐标系xOy中以坐标原点O.为圆心的圆与直线x－y＝4相切.1求圆O.的方程2若圆O.上有两点
圆心在y轴上半径长为1且与直线y=2相切的圆的方程是
.已知圆C.经过点A.2－1和直线x＋y＝1相切且圆心在直线y＝－2x上.1求圆C.的方程2已知直线
已知一个圆的圆心在直线y＝－4x上且与直线lx＋y－1＝0相切于点P.3－2.求圆的方程
圆心在原点上与直线x+y﹣2=0相切的圆的方程为．
热门试题
更多
提出教育的最高目的是道德和性格的完善的教育学者是______．
Achildwhohasoncebeenpleasedwithatalelikesasaruletohaveitretoldinalmostthesamewordsbutthisshouldnotleadparentstotreatprintedfairystoriesasformaltexts.Itisalwaysmuchbettertotellastorythanreaditoutofabookandifaparentcanproducewhatintheactualsituationofthetimeandthechildisanimprovementontheprintedtextsomuchthebetter. Achargemadeagainstfairytalesisthattheyharmthechildbyfrighteninghimormakinghimsadthinking.Toprovethelatteronewouldhavetoshowinacontrolledexperimentthatchildrenwhohavereadfairystoriesweremoreoftensorryforcrueltythanthosewhohadnot.AstofearsthereareIthinksomecasesofchildrenbeingdangerouslyterrifiedbysomefairystory.Oftenhoweverthisarisesfromthechildhavingheardthestoryonce.Familiaritywiththestorybyrepetitionturnsthepainoffearintothepleasureofafearfacedandmastered.Therearealsopeoplewhoobjecttofairystoriesonthegroundsthattheyarenotobjectivelytruethatgiantswitchestwo-headeddragonsmagiccarpetsetc.donotexist;andthatinsteadofbeingfondofthestrangesideinfairytalesthechildshouldbetaughttolearntherealitybystudyinghistory.IfindsuchpeopleImustsaysopeculiarthatIdonotknowhowtoarguewiththem.IftheircaseweresoundtheworldshouldbefullofmadmenattemptingtoflyfromNewYorktoPhiladelphiaonastickorcoveringatelephonewithkissesinthebeliefthatitwastheirbelovedgirl-friend.Nofairystoryeverdeclaredtobeadescriptionoftherealworldandnocleverchildhaseverbelievedthatitwas. Theauthor’smentionofsticksandtelephonesismeanttosuggestthat.
Somespidershuntonthegroundothersbuildwebstotraptheirfoodbutthegrasswaterspidercatchesitspreybyrunningalongthesurfaceofthewater.Thisspecialwaterspiderlivesonthegrassybanksofstreamswheremosquitoesdamselfliesandotherinsectscometofeedandbreed.AlthoughitisoneofthelargestspidersinNewZealandithasanunusualability.Itdoesn’tdisturbthewaterasitwaitsforitsmealandthereisbarelyaripplewhenitskimsacrossthesurfaceatlightningspeedtocatchitsprey.Grasswaterspidersdealswiftlywithlargerinsectslikedamselfliesbypullingtheirheadsunderthewaterandholdingthemthereuntiltheydrown.Afteramealthegrasswaterspiderspendsuptohalfanhourgroomingitself.Itwipesitseighteyesbrushesitsantennaeandtakesspecialcaretocleanthehairsonitsbody.Itisthehairsthattraptinybubblesofairsothatthespidercanrundownabladeofgrassandstayunderwaterforuptoanhourwhenitisfrightened.Thehairsalsokeepthespiderdryevenunderwater.Itisonlywhenthefemalespideriscaringfortheyoungthatshedoesnothuntonthewater.Aftermatingsheproducesalargeeggsacwhichshecarriesaroundforfiveweeks.Oncetheeggsstarttohatchsheattachesthesactosomebladesofgrassorathistle.Shethentearsthesacopenandreleasesthetinyspidersintothenurseryweb.Howdoesthegrasswaterspiderkillitsprey
学习教育学有何意义
他今天感到身体好多了
数与代数的内容主要包括数与式方程与不等式函数它们都是研究______和______的数学模型可以帮助人们从数量关系的角度更准确清晰地认识描述和把握现实世界
学生的认知差异主要是指______差异和______差异．
在直角坐标系xOy中曲线C1的参数方程为 a为参数 M是C1上的动点P点满足 P点的轨迹为曲线C． 1求C2的方程 2在以O为极点x轴的正半轴为极轴的极坐标系中射线 与C1的异于极点的交点为A与C2的异于极点的交点为B求|AB|.
Somespidershuntonthegroundothersbuildwebstotraptheirfoodbutthegrasswaterspidercatchesitspreybyrunningalongthesurfaceofthewater.Thisspecialwaterspiderlivesonthegrassybanksofstreamswheremosquitoesdamselfliesandotherinsectscometofeedandbreed.AlthoughitisoneofthelargestspidersinNewZealandithasanunusualability.Itdoesn’tdisturbthewaterasitwaitsforitsmealandthereisbarelyaripplewhenitskimsacrossthesurfaceatlightningspeedtocatchitsprey.Grasswaterspidersdealswiftlywithlargerinsectslikedamselfliesbypullingtheirheadsunderthewaterandholdingthemthereuntiltheydrown.Afteramealthegrasswaterspiderspendsuptohalfanhourgroomingitself.Itwipesitseighteyesbrushesitsantennaeandtakesspecialcaretocleanthehairsonitsbody.Itisthehairsthattraptinybubblesofairsothatthespidercanrundownabladeofgrassandstayunderwaterforuptoanhourwhenitisfrightened.Thehairsalsokeepthespiderdryevenunderwater.Itisonlywhenthefemalespideriscaringfortheyoungthatshedoesnothuntonthewater.Aftermatingsheproducesalargeeggsacwhichshecarriesaroundforfiveweeks.Oncetheeggsstarttohatchsheattachesthesactosomebladesofgrassorathistle.Shethentearsthesacopenandreleasesthetinyspidersintothenurseryweb.Thepassagetellsusthatthespider______.
Ifyouoftenfeeltiredandthedoctorcan’tfindanythingwrongwithyouyoumaybeinastateofSubhealth亚健康.Subhealthisastatebetweenhealthandillness.Mostofthesubhealthypeoplearemiddle-agedoneswhoareusuallystressedoutbecauseofworkandfamily.Andsomeofthemarestudentswhoarehavingexams.Ifyouaresubheahltyitisnotdifficultforyoutobecomewellsoon.Youshouldhavegoodlivinghabits.Forexampleyoushouldgetupearlyandgotobedearly.Andyoushouldexerciseregularly.Exercisingcankeepyouhealthy.Asformealsitisbettertoeatlesssaltandsugar.Vegetablesfruitandfishareimportanttoyourbody.Youshouldeatmoreofthem.Itisnotgoodtoeattoomuchatonemealbecauseitmaycauseunhealthychangesinthedigestivetract消化道.Andatlastabalanceddietisveryhelpfulinstayingawayfromsubhealth.Accordingtothepassagewhowillprobablybesubhealthy
Iwouldalmostratherseeyoudead.BobertS.CassattaleadingbankerofPhiladelphiashoutedwhenhistwenty-year-oldeldestdaughterannouncedthatshewantedtobecomeanartist.Inthe19thcenturyplayingatdrawingorpaintingondisheswasallrightforayoungladybutseriousworkinartwasnot.Andwhentheyounglady’sfamilyrackedamongthebestofPhiladelphia’ssocialfamiliessuchanideacouldnotevenbeconsidered.ThatwashowMaryCassattborn1844beganherstruggleasanartist.Shedidnottremblebeforeherfather’sangersheopposedhimwithcourageandatlastmadehimchangehismind.MaryCassattgaveuphersocialpositionandallthoughtsofathousandandafamilywhichinthosetimeswasunthinkableforayounglady.IntheendafterlongyearsofhardworkandperseveranceshebecameAmerica’smostimportantwomanartistandtheinternationallyrecognizedleadingwomanpainterofthetime.WhatmadeMaryCassatt’sstruggletobecomearecognizedartistespeciallyhard
一个学生上课既能认真听讲又能顺利地做好学习记录这位学生最主要的注意品质特征是
2log525+3log264=______．
Achildwhohasoncebeenpleasedwithatalelikesasaruletohaveitretoldinalmostthesamewordsbutthisshouldnotleadparentstotreatprintedfairystoriesasformaltexts.Itisalwaysmuchbettertotellastorythanreaditoutofabookandifaparentcanproducewhatintheactualsituationofthetimeandthechildisanimprovementontheprintedtextsomuchthebetter. Achargemadeagainstfairytalesisthattheyharmthechildbyfrighteninghimormakinghimsadthinking.Toprovethelatteronewouldhavetoshowinacontrolledexperimentthatchildrenwhohavereadfairystoriesweremoreoftensorryforcrueltythanthosewhohadnot.AstofearsthereareIthinksomecasesofchildrenbeingdangerouslyterrifiedbysomefairystory.Oftenhoweverthisarisesfromthechildhavingheardthestoryonce.Familiaritywiththestorybyrepetitionturnsthepainoffearintothepleasureofafearfacedandmastered.Therearealsopeoplewhoobjecttofairystoriesonthegroundsthattheyarenotobjectivelytruethatgiantswitchestwo-headeddragonsmagiccarpetsetc.donotexist;andthatinsteadofbeingfondofthestrangesideinfairytalesthechildshouldbetaughttolearntherealitybystudyinghistory.IfindsuchpeopleImustsaysopeculiarthatIdonotknowhowtoarguewiththem.IftheircaseweresoundtheworldshouldbefullofmadmenattemptingtoflyfromNewYorktoPhiladelphiaonastickorcoveringatelephonewithkissesinthebeliefthatitwastheirbelovedgirl-friend.Nofairystoryeverdeclaredtobeadescriptionoftherealworldandnocleverchildhaseverbelievedthatitwas. Accordingtothepassagegreatfearcantakeplaceinachildwhenthestoryis.
我们将在明天下午举行班会
Ifyouoftenfeeltiredandthedoctorcan’tfindanythingwrongwithyouyoumaybeinastateofSubhealth亚健康.Subhealthisastatebetweenhealthandillness.Mostofthesubhealthypeoplearemiddle-agedoneswhoareusuallystressedoutbecauseofworkandfamily.Andsomeofthemarestudentswhoarehavingexams.Ifyouaresubheahltyitisnotdifficultforyoutobecomewellsoon.Youshouldhavegoodlivinghabits.Forexampleyoushouldgetupearlyandgotobedearly.Andyoushouldexerciseregularly.Exercisingcankeepyouhealthy.Asformealsitisbettertoeatlesssaltandsugar.Vegetablesfruitandfishareimportanttoyourbody.Youshouldeatmoreofthem.Itisnotgoodtoeattoomuchatonemealbecauseitmaycauseunhealthychangesinthedigestivetract消化道.Andatlastabalanceddietisveryhelpfulinstayingawayfromsubhealth.Ifyouwanttohavegoodlivinghabits
下列函数中既是偶函数又在0+∞单调递增的函数是______．
教学手段就是指教师和学生进行______以及相互传递信息的工具媒体或设备．
个体从生命开始到结束的全部人生过程中生理和心理不断向积极方面变化的过程称之为______．
已知△ABC的角ABC所对的边分别是abc设向量p=b-2a-2. 1若求证△ABC为等腰三角形 2若边长C=2角求△ABC的面积．
几何体的三视图如右图所示则这个几何体的直观图可以是．
已知等差数列an中a3a7=-16a4+a6=0求an前n项和Sn.
我的母亲说我们将在北逗留两个星期
Iwouldalmostratherseeyoudead.BobertS.CassattaleadingbankerofPhiladelphiashoutedwhenhistwenty-year-oldeldestdaughterannouncedthatshewantedtobecomeanartist.Inthe19thcenturyplayingatdrawingorpaintingondisheswasallrightforayoungladybutseriousworkinartwasnot.Andwhentheyounglady’sfamilyrackedamongthebestofPhiladelphia’ssocialfamiliessuchanideacouldnotevenbeconsidered.ThatwashowMaryCassattborn1844beganherstruggleasanartist.Shedidnottremblebeforeherfather’sangersheopposedhimwithcourageandatlastmadehimchangehismind.MaryCassattgaveuphersocialpositionandallthoughtsofathousandandafamilywhichinthosetimeswasunthinkableforayounglady.IntheendafterlongyearsofhardworkandperseveranceshebecameAmerica’smostimportantwomanartistandtheinternationallyrecognizedleadingwomanpainterofthetime.WhatdoweknowaboutRobertCassatt’scharacterfromthetext
Iwouldalmostratherseeyoudead.BobertS.CassattaleadingbankerofPhiladelphiashoutedwhenhistwenty-year-oldeldestdaughterannouncedthatshewantedtobecomeanartist.Inthe19thcenturyplayingatdrawingorpaintingondisheswasallrightforayoungladybutseriousworkinartwasnot.Andwhentheyounglady’sfamilyrackedamongthebestofPhiladelphia’ssocialfamiliessuchanideacouldnotevenbeconsidered.ThatwashowMaryCassattborn1844beganherstruggleasanartist.Shedidnottremblebeforeherfather’sangersheopposedhimwithcourageandatlastmadehimchangehismind.MaryCassattgaveuphersocialpositionandallthoughtsofathousandandafamilywhichinthosetimeswasunthinkableforayounglady.IntheendafterlongyearsofhardworkandperseveranceshebecameAmerica’smostimportantwomanartistandtheinternationallyrecognizedleadingwomanpainterofthetime.HowdidMrCassattreactwhenhisdaughtermadeherannouncement
考察被试个体差异用于衡量被试相对水平用于以选拔为目的的测验是______．
．
下列哪项是此题计算得出的正确答案．
教师在了解学生的基础上对学生未来发展能力的推测称为______．
热门题库
更多
中学教师招聘考试
中小学校长招聘考试
体育教师招聘考试
信息技术教师招聘考试
音乐教师招聘考试
邮政银行招聘考试
邮政营业员考试
邮政小额贷款信贷员考试
邮政通信信息业务员考试
集邮业务员考试
快递业务员考试
邮政储汇业务员考试
邮政代理金融业务网点考试
邮件分拣员考试
机要业务员考试
邮件转运员考试
湘公网安备 43130202000226号