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如图，△ABC内接于⊙O，∠CAB＝30°，∠CBA＝45°，CD⊥AB于点D，若⊙O的半径为2，则CD的长为 ．
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如图△ABC内接于⊙O.∠C.=45°半径OB的长为3则AB的长为.
如图在圆的内接四边形ABCD中∠ABC＝90°∠ABD＝30°∠BDC＝45°AD＝1则BC＝___
如图1△ABC是⊙O的内接三角形AC是⊙O的直径∠C=500∠ABC的平分线BD交⊙O于点D.则∠B
45
0
85
0
90
0
95
0
如图△ABC是⊙O.的内接三角形AC是⊙O.的直径∠C.=50°∠ABC的平分线BD交⊙O.于点D.
45°
85°
90°
95°
如图△ABC内接于⊙O∠C.=45°AB=2则⊙O的半径为.
如图△ABC是⊙O.的内接三角形AC是⊙O.的直径∠C.=50°∠ABC的平分线BD交⊙O.于点D.
45°
85°
90°
95°
如图△ABC内接于⊙O.∠ABC＝70º∠CAB＝50º点D.在上则∠ADB的大小为.
如图正三角形ABC内接于圆O.动点P.在圆周的劣弧AB上且不与
，
重合，则∠BPC等于( )
A.30°B.60°
90°
45°
如图△ABC内接于⊙OOD⊥BC于D.∠A＝50°则∠OCD的度数是
40°
45°
50°
60°
如图△ABC是⊙O内接正三角形将△ABC绕点O顺时针旋转30°得到△DEFDE分别交ABAC于点MN
如图已知△ABC内接于⊙OBC是⊙O的直径MN与⊙O相切切点为A.若∠MAB＝30°则∠B＝°.
如图△ABC是⊙O.的内接三角形AB为⊙O.的直径点D.为⊙O.上一点若∠CAB＝55°则∠ADC的
如图△ABC内接于⊙O.∠ABC=71º∠CAB=53°点D.在AC弧上则∠ADB的大小为
）46°. （
）53°. （
）56°. （
）71°.
如图△ABC是⊙O的内接三角形AC是⊙O的直径∠C=50°∠ABC的平分线BD交⊙O于点D.则∠BA
45°
85°
90°
95°
如图在△ABC中∠CAB=90°∠CBA=50°以AB为直径作⊙O.交BC于点D.点E.在边AC上且
如图△ABC内接于⊙O∠CAB＝30°∠CBA＝45°CD⊥AB于点D若⊙O的半径为2则CD的长为
如图△ABC内接于⊙OAB为⊙O的直径∠CAB＝60°弦AD平分∠CAB.若AD＝6则AC＝.
如图四边形ABCD为⊙O.的内接四边形连接ACBO已知∠CAB=36°∠ABO=30°则∠D.=°.
已知如图△ABC内接于⊙O.AB为直径∠CBA的平分线交AC于点F.交⊙O.于点D.DE⊥AB于点E
如图△ABC是⊙O.的内接三角形
C.是⊙O.的直径，∠C.＝50°，∠ABC的平分线BD交⊙O.于点D.，则∠BAD的度数是（ ）.
A.45°
85°
90°
95°
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﹣What'stherecentprogressinXiong′anNewAreafirstannouncedtwoyearsago?﹣Itincreasingattentionfromforeigncompaniesgivenitshugedevelopmentpotential.A.hasbeenattracting B.hadattracted C.wouldbeattracting D.wasattracting
I'veneverseenthenightnorseenastarI'veseenneitherspringnorfallnorwinter.IwasbornattheendoftheReiningAge刹车时代justastheEarth'srotation旋转wascomingtoafinalstop.TheReininglastedfor42yearsthreeyearslongerthantheUnityGovernmenthadplanned.Mymotheroncetoldmeaboutthetimeourfamilywitnessedthelastsunset.TheSunhadeversoslowlycrepttowardthehorizonalmostasifithadstoppedmovingaltogether.Intheendittookthreedaysandthreenightstofinallyset.Naturallythatwastheendofall'days'andall'nights'.TheEasternHemisphere半球wascoveredinweaklightforalongtimethenperhapsforadozenyearsorso﹣withtheSunhidingjustbeyondthehorizon﹣itsraysreflectedbyhalfofthesky.ItwasduringthatlongsunsetthatIwasborn.Duskdidnotmeandarkness.TheNorthernHemispherewaslitupbytheEarthEngines.ThesegiantengineshadbeenraisedallacrossAsiaandNorthAmericaonlythesolidplatesbeneaththosetwocontinentscouldresistthegreatpushingforcestheyexerted.Therewereabout12000EarthEnginesbuiltanddistributedacrosstheAsianandAmericanplains.FrommyhomeIcouldseethebrightplasmaplumes等离子气柱ofseveralhundredEarthEngines.JustimagineatitanicpalaceoneaslargeastheParthenonontheAcropolis.Nowimaginecountlesstitanicpillarsrisingfromthatpalacereachingtotheheavenseachreleasingbrilliantbluish﹣whitelightlikeatitanicshiningtube.Andthenthereisyouyouareamicrobeonthepalace'sfloor.Thisonlybeginstopaintthepictureoftheworldwelivedin.Thispicturehoweverisnotyetcomplete.InordertosurvivethemeltingtemperatureoftheexpandingsunwehavetopushtheEarthawayfromit.FirsttheEarthmustbestoppedfromrotating.Onlytheforcesactingtangentially正切地totheEarth'srotationcouldslowitsotheEarthEngineshadtobebuilttoaspecificangle.Thosegiganticpillarsoflightwereleaningtothatangle.Nowimaginewhatthatmeantforourpalacewithitspillarsallleaningonthepointoffallingdown!ManywhocamefromtheSouthernHemispherewentmadwhensuddenlyseeingthisawesomeview.WorsethantheviewwastheburningheatreleasedbytheEarthEngines.Outdoorsthetemperaturewasstuckataround160to180degreesforcingustowearspecialsuitsjusttoleavethehouse.Theextremelyhightemperaturesoftenbroughtpouringrains.ItwasalwaysaterrifyingscenewhenthebeamofanEarthEnginecutthroughdarkclouds.Thecloudsscatteredthebrilliantbluish﹣whitelightofthebeameruptingitintoendlessrainbowlightthatcoveredtheentireskylikewhite﹣hotmagma岩浆.TomygenerationbornintheNorthernHemisphereallofthiswasperfectlynormalandnaturaljustliketheSunstarsandMoonhadbeentogenerationsbeforetheReiningAge.WecalledtheentirehistoryofthehumanracethathadcomebeforeusthePre﹣SolarAgewhatafascinatingandgoldenerathathadtrulybeen!TheReiningAgelefttheearthwithahorrifyingresult.TheseatidesquickenedbytheEarthEngineshadswallowedtwooutofeverythreecitiesintheNorthernHemispherethentheglobalincreaseintemperaturesmeltedthepolaricecapresultinginfloodsthatspreadtotheSouthernHemisphere.Thirtyyearsearliermygrandfatherhadwitnessedgiant300﹣footwavesthathadengulfedShanghai.Evennowhecouldnevertellusaboutitwithouthisgazeslippingintoathousand﹣milestare.Ourplanethadalreadychangedbeyondrecognitionbeforeitevensetoutonitsjourney.Whoknewwhathardshipswerewaitingforusonourlongtravelsthroughouterspace?1Whathappenedwhentheauthorwasborn?A.Theearthhadstoppedturningforforty﹣twoyears.B.Thesunwasmakingitslastfalltowardsthehorizon.C.AlltheEarthEngineshadnotbeenfinished.D.Hisfamilyweresufferingfromthesummerhotness.2WhichofthefollowingabouttheEarthEnginesisright?A.TheywerebuiltinAsiaandNorthAmericaduetotheirhugenumberandweight.B.Theirlightandheatprovidednecessaryenergyforpeopletosurvive.C.Theywereallbuilttopointstraightupwardtotheskytostoptheearthrotating.D.Theirexistencebroughtbothopportunitiesandinconveniencetopeopleontheearth.3Whatcanweinferfromthelastthreeparagraphs?A.PeoplebornintheSouthernHemispherecouldenjoyfourdifferentseasons.B.TheauthormissedhisPre﹣SolarAgelifestyleverymuch.C.GrandfatherwouldneverforgetthesceneofShanghaibeingswallowed.D.Theauthorwasdiscouragedbutoptimisticaboutthefutureoftheearth.4Inthisexcerpt节选wecanclearlyseethattheauthorisgoodat.A.describingmentalactivitiesB.visualizingvividscenesC.doingexperimentalanalysisD.expressingpersonalbelief5Thisexcerptisapartof.A.adocumentarynovelB.anacademicessayC.ascientificresearchreportD.asciencefiction6Whatisthebesttitleofthischapter?A.TheLastSunset.B.TheEarthEngines.C.TheReiningAge.D.ThePost﹣SolarLife.
At15IhadstartedabandwiththreematesI'dmetatthelocalrehearsal排练rooms.WeplayedourfirstperformanceatapubinBolton.Wewere1butthecrowddidn'tseemtomindandafterafewmorelocalconcertswerecordedsomesongsandwestartedto2.Wesentouthundredsofdemo样本tapesin3ofourfavouritebandtheManics.AfterfinishingmyhighschoolwedrovetoLondontoplayattheDublinCastle.Onlyfivepeople4.Butwepersevered坚持andslowlythingsbeganto5.Twoyearsafterourfirstperformancewe6arecorddeal.We7endlesslyforthenexttwoyearsandbuiltupasmallbut8following.Attheendof2002theManics9ustoplaywiththem.MyteenagedreamshadcometruethebandIlookeduptoseemedto10ofus.We11performinginNewYorkandto5000peopleattheFujiRockfestivalinJapan.There'snogreater12thanthemomentyousteponstage.Thelightsdarkenthecrowdswells波浪起伏andthey13inapplauseasyoufinish.Ouralbumwas14in2003.Unfortunatelynooneboughtthething.15Ithinkthatwasaboutright.16I'mextremelyproudofthemusicweproducedwewereridingawaveofhype天花乱坠的宣传wecould17liveupto.Ourrecordcompanyquietly18usandasquicklyasithadstartedmytimeinabandwasover.We19peacefullyonthedayitwasreleased.Weevenhada'lastsupper'tomarkourdemise停业.Thebandhad20everything.MyoldschoolwelcomedmebackandIworkedharderandwasfinallyadmittedtoOxfordUniversityatthegrandoldageof21.1.A.troublesome B.thrilled C.hopeful D.terrible2.A.hesitate B.succeed C.dream D.qualify3.A.imitation B.favour C.charge D.celebration4.A.droppedout B.turnedup C.divedin D.passedby5.A.catchon B.takeoff C.pickup D.getround6.A.declined B.lost C.expected D.signed7.A.practiced B.studied C.toured D.waited8.A.separated B.devoted C.concerned D.relieved9.A.persuaded B.required C.reminded D.invited10.A.approve B.tire C.hear D.think11.A.gaveup B.endedup C.putoff D.insistedon12.A.risk B.pain C.loss D.rush13.A.erupt B.gather C.squeeze D.withdraw14.A.preserved B.released C.displayed D.evaluated15.A.Lookingforward B.Lookingdown C.Lookingback D.Lookingup16.A.Though B.Since C.Unless D.Before17.A.actually B.somehow C.always D.never18.A.betrayed B.dropped C.impressed D.sponsored19.A.splitup B.hungaround C.movedaway D.brokedown20.A.experienced B.disturbed C.changed D.replaced
FacialrecognitiontechnologyisworkingwellattouristattractionsaroundChinathetimepeoplespendstandinginlinesatentriesorsecuritycheck. A.toreduce B.reduced C.havingreduced D.reducing
OneofthedeepestteachingsofConfuciusmayhavevaluedpersonalexemplificationaboveclearlyexpressedrulesofbehavior.Hismoralteachingsemphasizedself﹣cultivation培养imitationofmoralexemplarsandtheattainmentofskilledjudgmentratherthanknowledgeofrules.Histeachingsrarelyrelyonreasonedargumentandmoralidealsandmethodsareconveyedindirectly.Histeachingsrequireexaminationandcontexttobeunderstood.Agoodexampleisfoundinthisfamousanecdote廄焚.子退朝曰'傷人乎?'不問馬.WhenthestableswereburntdownonreturningfromcourtConfuciussaid'Wasanyonehurt?'Hedidnotaskaboutthehorses.X.11tr.Waley10﹣13tr.LeggeorX﹣17tr.LauBynotaskingaboutthehorsesConfuciusdemonstratesthatthesage圣人valueshumanbeingsoverpropertybutnotdirectlyreadersareledtoreflectonwhethertheirresponsewouldfollowConfucius'sandtopursueself﹣improvementifitwouldnothave.Confuciusasanexemplarofhumanexcellenceservesnotasanall﹣powerfuldeity神人orauniversallytruesetofabstractprinciplesbutratherthebestmodelforothers.ForthesereasonsaccordingtomanycommentatorsConfucius'steachingsmaybeconsideredaChineseexampleofhumanism.Oneofhisteachingswasavariant变体oftheGoldenRulesometimescalledthe'SilverRule'owingtoitsnegativeform己所不欲勿施於人.'Whatyoudonotwishforyourselfdonotdotoothers.'子貢問曰'有一言而可以終身行之者乎?'子曰‘‘其恕乎！己所不欲勿施於人.'ZiGong[adisciple]asked'Isthereanyonewordthatcouldguideapersonthroughoutlife?'TheMasterreplied'Howabout‘reciprocity'!Neverimposeonotherswhatyouwouldnotchooseforyourself.'AnalectsXV.24tr.DavidHintonOftenoverlookedinConfucianmoralsarethevirtuestotheselfsincerityandthecultivationofknowledge.Virtuousactiontowardsothersbeginswithvirtuousandsincerethoughtwhichbeginswithknowledge.Avirtuousnaturewithoutknowledgeislikelytobeinfluencedbycorruptionandvirtuousactionwithoutsincerityisnottruerighteousness正义.Cultivatingknowledgeandsincerityisalsoimportantforone'sownsakethesuperiorpersonloveslearningforthesakeoflearningandrighteousnessforthesakeofrighteousness.1ThehorseexampleinthefirstparagraphistoshowthatConfucius.A.paidmuchattentiontomoralteachingsB.meantotherstounderstandhisteachingsbyself﹣reflectionC.directlydemonstratedhisemphasisonhumanbeingsD.neverinhumanlyforcedotherstodowhathedidn'tliketodo2Whatdoesthelastparagraphmainlytalkabout?A.Theimportanceofthevirtuestotheself.B.Howtodefinethevirtuestotheself.C.Therelationshipbetweensincerityandknowledge.D.Whythevirtuesoftheselfareoftenoverlooked.3WhichofthefollowingprinciplesofConfuciusismentionedinthispassage?A.Exampleisbetterthanteaching.B.Hewhopracticesvirtueswillhaveneighborsandfriends.C.Keepwhatyousayandcarryoutwhatyoudo.D.Bynaturemenarenearlyalikebypracticetheygettobewildapart.
Theinfrastructureprojecthasconsumedsomuchmoneythatwecan'tfindanyfinancialsupportandhaveto. A.pullout B.pullthrough C.catchup D.catchon
下列属于置换反应的是
请根据你对以下两幅图的理解以ManyHandsMakeLightWork.为题用英语写一篇作文. 参考词汇 wind﹣blowntrees被风刮倒的树liftup扶起来 你的作文应包括以下内容 1.简要描述两幅图的内容 2.概述你对两幅图中不同做法的理解 3.举例说明两幅图对你的启示.注意 1.短文应该包括以上所提供的主要信息可适当发挥 2.词数150左右 3.作文中不得提及有关考生个人身份的任何信息如校名人名等. ManyHandsMakeLightWork
Actorsshouldbegoodobserverswatchingpeople'sbodylanguageandspeakingstyleandthisintotheirownabilitiestoprogressinacting. A.transferring B.transforming C.transporting D.transmitting
Theaccidentwhichleft15peopleonboarddeadifboththeangryfemalepassengerandthebusdriverhadkeptcalm. A.shouldhaveavoided B.shouldbeavoided C.couldhaveavoided D.couldhavebeenavoided
﹣MumlittleRaybrokehistoysagain!﹣Itdoesn'tmatter.Youseeaccidentshappen.A.shall B.should C.must D.will
紫水晶在西方国家代表着“爱的守护石”其主要成分SiO2属于
Ifyouarenotreadingthisonascreenthenyouholdinyourhandsoneofhumanity'sworld﹣changinginventions.Yetthatpowerhasnotbeenmatchedbyfamepaperdelightsinself﹣modestypointingyoutothewordsonitssurfaceandsoactingonlyasastageforideasandargumentsthathavechangedhistory.Withoutthatstagethewrittenandprintedwordwouldhaveattractedonlyasmallaudience.Allthealternativestopapercommonlyusedthroughoutourpre﹣digitalhistoryhavebeentooraretooheavytooexpensiveortooinconvenienttodeliverwordstoawidenumberofpeopleletaloneamassreadershipPaperhasenabledwriterstoreachunprecedented前所未有numbersthroughouthistory.AmongthemweretheBuddhistmissionarytranslatorsfromSouthandCentralAsiawhobroughttheirreligiontoChinaalmosttwothousandyearsago.ThepaperagehasitsoutstandingpersonalitiesLevNikolayevichTolstoyandJohannWolfgangvonGoethewhosecollectedworkswhencombinedfillmorethan200volumes.Formanyofusithasonlybeentheriseofdigitalmediathathasfinallyopenedoureyestopapersstrikingexistenceeverywhere.Ofcoursepaperhasfoundthousandsofrolesforitselfwritingaside.Yourbedsidelampglowsthroughapapercoverandthecupsintheofficecoffeemachinearemadefrompaper.Itcanbeascommonandpracticalasabusticketoritcanbetreasuredandexpensiveasthecarrieroftheworldsbest﹣lovedpainting.Itisclearthatmanypredictionsofpaper'sextinctionhavebeenpremature﹣andgreatlyoverstated.Muchofthe400milliontonsofpaperproducedannuallyisabsolutelynecessarytoourwayoflife.Thebiggerquestionofcourseconcernstheonerolepaperhashadthathasbeentransformativefortheworld.namelyasthecarrierofwrittenorprintedtext.Alreadyitisleavingmuchofthedifficultworkofwordstodigitalmediaandmanyofitscenturies﹣oldroleshavealreadybeenlargelytransferredtothescreen.Thereisalsoasenseinwhichpaperhasitselfbecomeasubjectratherthansimplyamedium.Thisbegantobecomeclearinartseveraldecadesago.aspaperbecamenotsimplythebackdrop背景forartbutinafewcasesthestuffoftheartitself.Thisdoesn'tmeanthatpapersusesasavehicleforwordswillendbutitdoessignalaslowingdown.Morethanthatitsignalsthatpaper'sgreatestvirtuesarenolongergoodenough.Thosevirtuesenabledunprecedentedperiodsofculturalexpansiveness.justastheyencouragedknowledgebeliefsandideastomovefurtherdownthesocio﹣cconomicladder.Yetsuchtransformativequalitiesaresharedbypaper'sdigitalopponent对手andpapercannolongercompeteonspeedofdeliveryscaleofinformationimmediatelyavailableoreaseofaccess.Paper'shistoricdynamism活力hasreceiveditsfirstgreatchallengeandinmanyaspectsitappearstobelosingNostalgia怀旧simplydismissespapertoamuseumpiece.Buttherearereasonstothinkthatthedynamismthatpaperhasexhibitedoversome20centurieswillnotbetransferredtotallytodigitalmedia.Thereareafewpracticalreasons.Electricpowerisalwaysneededfordigitalmediaofcourse.Moreimportantlyanythingonlinecanpotentiallybehackedinto.Yourownreadingchoicescanbeviewedfromtheothersideoftheworld.Evenwhatyouwritecanbeviewedandchangedordeleted.Butitistheownershipofknowledgethatmattersmost.AsAmazonrecentlyremindedakindlereaderwhohadlostthetextofabookhewasreading.youdonot'own'yourbooksonKindleasyouownaphysicalbook.Yousimplyhavetherighttoaccessthem.Thedigitalrevolutioncertainlyprovidesunprecedentedaccesstoknowledge.Butitisaccessonly.Textthatyoucanholdshelveandownduetopaperwillalwayshaveamagicallitsown.1Whydoespapernothavewell﹣deservedfame?A.Muchinformationisavailableonascreen.B.Ittakesgreatdelightinbeingmodest.C.Onlyasmallcrowdenjoysthebenefitsofit.D.Italwaysguidesreaderstofocusmoreonitself.2TheunderlinedpartinParagraph4impliesthatthedigitalmedia.A.ignorestheexistenceofpaperB.promotesthewideuseofpaperC.replacesthefunctionsofpaperD.helpsusrealizetherolesofpaper3Onereasonwhypaperwon'tcometoanendisthat.A.itisbeingmass﹣producedB.itismorethanamediumC.ithasacenturies﹣oldroleD.itisawell﹣knowninvention4What'sthepurposeofmentioningthebestvirtuesofpaperinParagraph6?A.Toshowitsfastdevelopment.B.Toproveitsunchangedstrength.C.Toindicateitslossofcompetitiveness.D.Tobringbackitspastbrilliance.5Whatisthebiggestproblemthedigitalmediaface?A.Itdependsonelectricpower.B.Personalprivacyiseasytoleak.C.Usersonlyhavetherighttouse.D.Thejoyofreadingishardtofeel.6Whatisthebesttitleforthepassage?A.TheHistoryofPaperB.ThePowerofPaperC.TheDevelopmentofPaperD.TheApplicationofPaper
请阅读下面图画和文字并按照要求用英语写一篇150词左右的文章. 【写作内容】 1.上面图文信息中的Mati的情况实际上反映了一种社会现象请以约30词阐述这种现象的主要内容 2.你认为人们该以什么样的态度来对待这种社会现象?是将它当做一种社会问题加以干涉还是当做一种正常现象给予理解?请给出理由论证你的观点至少三点 【写作要求】 1.写作过程中不能直接引用原文语句 2.作文中不能出现真实姓名和学校名称 3.不必写标题 【评分标准】 内容完整语言规范语篇连贯词数适当.
请阅读下面短文并按照要求用英语写一篇150词左右的文章.TheUniversityofCambridgeconfirmedthatitwouldacceptstudentsbasedonGaokaotestresultsinapostontheUniversity'sofficialWeiboaccountonMarch25.TheGaokaoChina'sextremelydifficultuniversityentranceexamisnowacceptedbyanumberofoverseasuniversitiesincludingtheUniversityofNewHampshirewhichlastyearbecamethefirststateuniversityintheUStoacceptGaokaoscoresfornewadmissionstheUniversityofWesternAustraliaandtheUniversityofBritishColumbiainCanada.PreviouslyChinesestudentswouldhavetotakestandardizedcollegeadmissiontestssuchastheSATandACTusedinUSschools.TheGaokaoisregardedassuitablepreparationforCambridge.TheGaokaoscoresofsuccessfulapplicantswillvaryfromprovincetoprovinceandyeartoyear.Asaguidelinesuccessfulapplicantswillusuallyhavescoresinthetop0.1%ofthosetakingtheGaokaointheirprovince.InadditiontothetotalscoreCambridgeCollegeswillpaycloseattentiontoindividualsubjectscoresandscoresintheSeniorHighSchoolExaminationsXueyeShuipingKaoshipreviouslytheHuikao.TheXueyeShuipingKaoshialonearenotregardedassuitablepreparationforCambridge.【写作内容】1.用约30词写出上文概要2.你对高考被国外著名大学认可的看法并至少从两个方面解释你的观点3.谈谈你对如何提高高考国际认可度的建议不少于2条.【写作要求】1.写作过程中不能直接引用原文语句2.作文中不能出现真实姓名和学校名称3.不必写标题.【评分标准】内容完整语言规范语篇连贯词数适当.
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