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以△ABC的边AB为直径作⊙O交BC于D． （1）如图1，过点D作⊙O的切线交AC于E，若点E为线段AC中点，求证：AC与⊙O相切． （2）在（1）的条件下，若BD＝6，AB＝10，求△ABC的...
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如图以△ABC的一边AB为直径作⊙O.⊙O.与BC边的交点恰好为BC的中点D.过点D.作⊙O.的切线
如图点D.是等边△ABC中BC边的延长线上一点且AC=CD以AB为直径作⊙O.分别交边ACBC于点E
已知如图在△ABC中AC=BC以AC为直径的⊙O.交AB于点D.过点D.作⊙O.的切线交BC于点E.
如图在R.t△ABC中∠ACB=90°以AC为直径的⊙O.与AB边交于点D.过点D.作⊙O.的切线交
如图在Rt△ABC中∠ABC=90°以AB为直径作⊙O.交AC于点D.E.是BC的中点连结DE.1求
如图以△ABC的一边AB为直径作⊙O.⊙O.与BC边的交点D.恰好为BC的中点过点D.作⊙O.的切线
已知如图在△ABC中AB=AC点D.是边BC的中点.以CD为直径作⊙O.交边AC于点P.连接BP交A
如图以△ABC的一边AB为直径作⊙O.⊙O.与BC边的交点D.恰好为BC的中点过点D.作⊙O.的切线
如图1Rt△ABC中∠ACB=90°AB=5BC=3点D在边AB的延长线上BD=3过点D作DE⊥AB
如图以△ABC的一边AB为直径作⊙O.⊙O.与BC边的交点D.恰好为BC的中点过点D.作⊙O.的切线
已知如图以Rt△ABC的AC边为直径作⊙O.交斜边AB于点E.连接EO并延长交BC的延长线于点D.点
如图在等腰△ABC中AB=AC以AB为直径作⊙O.交边BC于点D.过点D.作DE⊥AC交AC于点E.
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①Rt△ABC中∠ACB=90°AB=5BC=3点D.在边AB的延长线上BD=3过点D.作DE
已知以Rt△ABC的直角边AB为直径作圆O.与斜边AC交于点D.过点D.作圆O.的切线交BC边于点E
如图在△ABC中AB=ACAD⊥BC于点D.过点C.作⊙O.与边AB相切于点E.交BC于点F.CE为
如图以⊙O.的直径BC为一边作等边△ABCABAC交⊙O.于D.E.求证BD=DE=EC
如图已知△ABC是等边三角形以AB为直径作⊙O.交BC边于点D.交AC边于点F.作DE⊥AC于点E.
如图以△ABC的一边AB为直径作⊙O⊙O.与BC边的交点恰好为BC边的中点D.过点D.作⊙O.的切线
如图1以△ABC的边AB为直径的⊙O.交边BC于点E.过点E.作⊙O.的切线交AC于点D.且ED⊥A
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MostpeopleknowthatMarieCuriewasthefirstwomantowintheNobelPrizeandthefirstpersontowinittwice.HoweverfewpeopleknowthatshewasalsothemotherofaNobelPrizewinner. BorninSeptember1897IreneCuriewasthefirstoftheCuries'twodaughters.AlongwithnineotherchildrenwhoseparentswerealsofamousscholarsIrenestudiedintheirownschoolandhermotherwasoneoftheteachers.ShefinishedherhighschooleducationattheCollegeofSévignéinParis. IreneenteredtheUniversityofParisin1914toprepareforadegreeinmathematicsandphysics.WhenWorldWarIbeganIrenewenttohelphermotherwhowasusingX﹣rayfacilities设备tohelpsavethelivesofwoundedsoldiers.IrenecontinuedtheworkbydevelopingX﹣rayfacilitiesinmilitaryhospitalsinFranceandBelgium.HerserviceswererecognisedintheformofaMilitary'sMedalbytheFrenchgovernment. In1918Irenebecamehermother'sassistantattheCurieInstitute.InDecember1924FredericJoliotjoinedtheInstituteandIrenetaughthimthetechniquesrequiredforhiswork.Theysoonfellinloveandweremarriedin1926.TheirdaughterHelenewasbornin1927andtheirsonPierrefiveyearslater. LikehermotherIrenecombinedfamilyandcareer.LikehermotherIrenewasawardedaNobelPrizealongwithherhusbandin1935.Unfortunatelyalsolikehermothershedevelopedleukemiabecauseofherworkwithradioactivity辐射能.IreneJoliot﹣CuriediedfromleukemiaonMarch171956. 1WhywasIreneCurieawardedaMilitaryMedal? A.Becauseshereceivedadegreeinmathematics. B.Becauseshecontributedtosavingthewounded. C.BecauseshewontheNobelPrizewithFrederic. D.Becausesheworkedasahelpertohermother. 2WheredidIreneCuriemeetherhusbandFredericJoliot? A.AttheCurieInstitute. B.AttheUniversityofParis. C.Atamilitaryhospital. D.AttheCollegeofSévigné. 3WhenwasthesecondchildofIreneCurieandFredericJoliotborn? A.In1932. B.In1927. C.In1897. D.In1926. 4InwhichofthefollowingaspectswasIreneCuriedifferentfromhermother? A.Ireneworkedwithradioactivity. B.Irenecombinedfamilyandcareer. C.IrenewontheNobelPrizeonce. D.Irenediedfromleukemia.
假如你是高二学生李华你的英国好友John邀请你这个暑假去伦敦旅游但你暑假有学习计划不能前往请你写一封信.要点如下 1.表达遗憾 2.说明理由 3.希望有机会再去. 注意1.可以适当补充细节以使行文连贯 2.词数80左右.
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下列关于物质出入细胞方式的叙述正确的是
下列有关生物膜的叙述正确的是
研究发现多数真核生物基因中编码蛋白质的序列被一些不编码蛋白质的序列隔开这些不编码蛋白质的序列称为内含子．这类基因经转录加工后形成的成熟mRNA中只含有编码蛋白质序列的信息．下列有关说法错误的是
甲乙两人参加一次英语口语考试已知在备选的10道试题中．甲能答对其中的6道乙能答对其中的8道規定每次考试都从备选题中随机抽出3道题进行测试至少答对2道题才算合格则甲乙两人至少有一人考试合格的概率为
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T细胞主要包括抑制性T细胞Ts辅助性T细胞Th和胞毒性T细胞Tc．Tc能杀伤被病毒感染的细胞Th能通过分泌淋巴因子促进B细胞分化并提高Tc的杀伤力Ts能抑制Th的活性．下列分析错误的是
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OnMarch252010KateandDavidOggheardthewordseveryparentdreadsTheirnewbornwasn'tgoingtomakeit.Theirtwins﹣﹣agirlandaboy﹣﹣wereborn14weeksprematureweighingjustovertwopoundseach.Doctorshadtriedtosavetheboyfor20minutesbutsawnoimprovement.Hisheartbeatwasnearlygoneandhe'dstoppedbreathing.Thebabyhadjustmomentstolive. IsawhimgaspbutthedoctorsaiditwasnouseKatesaid.Iknowitsoundsstupidbutifhewasstillgaspingthatwasasignoflife.Iwasn'tgoingtogiveupeasily. Stillthecoupleknewthiswaslikelygoodbye.InanefforttocherishherlastminuteswiththetinyboyKateaskedtoholdhim. IwantedtomeethimandforhimtoknowusKatesaid.We'dresignedourselvestothefactthatweweregoingtolosehimandwewerejusttryingtomakethemostofthoselastpreciousmoments. KateunwrappedtheboywhomthecouplehadalreadynamedJamiefromhishospitalblanketandorderedDavidtotakehisshirtoffandjointheminbed.Thefirst﹣timeparentswantedtheirsontobeaswarmaspossibleandhopedtheskin﹣to﹣skincontactwouldimprovehiscondition.Theyalsotalkedtohim. WeweretryingtohavehimKatesaid.Weexplainedhisnameandthathehadatwinandhowhardwehadtriedtohavehim. Thensomethingmiraculoushappened.Jamiegaspedagain﹣﹣andthenhestartedbreathing.Finallyhereachedforhisfather'sfinger.Thecouple'slostboyhadmadeit. EightyearslaterJamieandhissisterEmilyarehappyandhealthy. 1FromwhatcanwetellthatJamiewasstillalive? A.Hisheartbeat. B.Hispulse. C.Hisgasp. D.Hisunderweight. 2Whydidtheparentsliewiththebabyboyinonebed? A.Thefamilywantedtostaytogetherandkeepwarm. B.Thefamilywantedtohavetheirprivatespace. C.Theparentsweresotiredandwantedtorest. D.TheparentswantedtospendthelastminuteswithJamie. 3Whatcanbethebesttitleforthepassage? A.PrematureTwins B.Life﹣givingTouch C.First﹣timeParents D.LastPreciousMoments
某地经过开垦后荒山变为果林洼地成为鱼塘加快了地方经济的发展和人民脱贫致富奔小康的步伐．回答下列问题 1山顶和山脚种植了不同的果木这体现了群落的结构． 2调查该果林的能量流动过程发现上一营养级同化的能量不能100%的流入下一营养级原因是． 3若鱼塘的环境条件不变经过捕捞后某种鱼的环境容纳量会填“变大”或“变小”或“不变”原因是． 4鱼塘生态系统需要人工不断地添加饲料以维持其正常功能从能量流动和物质循环的角度说明其原因是．
某雌雄异株植物的性别决定方式为XY型花色有白色黄色红色三种由仅位于X染色体上的等位基因Aa和位于常染色体上的等位基因Bb共同控制相关色素的合成过程如图所示．回答下列问题 1该植物花瓣中色素的合成过程说明基因与性状关系是． 2两红花植株杂交子代出现了的黄花植株则子代中红花植株与白花植株的比例为． 3请从第2题杂交实验的子代中选择实验材料设计一次杂交实验以确定某白花雌株的基因型写出相关的实验思路并预期实验结果和结论．．
DuringmymiddleschoolyearsIwasveryallergictoEnglishgrammar.1thetwoincidentsI2laterchangedmyviewaboutlearningEnglish.3IthinkitisreallyfuntolearnEnglishgrammar.ItoccurredwhileIwas4inthemysteriousworldofiPhone.MyEnglishteacherwrotetwosentencesonthe51Thekingwouldwearnoclotheswhichmakehimappeardifferentlyfromothers.2Thekingwouldwearnoclotheswhichmakehimappeardifferentlyfromothers.Glancingatthetwo6Ithoughttheteachermusthavemadeamistake7thesetwosentenceswerethesame.Suddenlytheclassburstintoaloudlaughter.OnlythendidI8thataddingacommacouldshowabigdifferencein9.Afterwardsomething10happenedtome11.AtthebeginningofmyEnglishclassonedaytheteacher12ourhomeworkassignment.Tomy13myteacherhad14out﹣lyinthesentence‘IstudiedEnglishhardly'.'Isn't‘hardly'anadverb?'Iaskedmyself.LaterofcourseI15whatwaswrong.Iwasassumingeveryadjectiveaddedwith﹣lystill16themeaningofthatadjective.NottillthendidIfindoutthat‘hardly'17meant‘almostnot'sowhatIhad18madeaworldofdifferencefromwhatIwantedtosay.InconclusionwhatIexperiencedenablesmeto19Englishistrulyamysteriousworldofart.What20itistolearnEnglishgrammar!1A.However B.Besides C.Therefore D.Instead2A.witnessed B.heard C.experienced D.described3A.Then B.Soon C.Now D.Later4A.shocked B.absorbed C.rooted D.trapped5A.phone B.door C.window D.blackboard6A.sentences B.words C.phrases D.questions7A.whether B.because C.when D.if8A.ask B.wish C.realize D.hope9A.life B.form C.time D.meaning10A.interesting B.exciting C.strange D.awkward11A.before B.together C.yet D.again12A.checked B.returned C.found D.finished13A.disappointment B.joy C.surprise D.relief14A.handed B.worked C.carried D.crossed15A.figuredout B.gaveaway C.searchedfor D.talkedabout16A.creates B.hides C.explains D.keeps17A.finally B.gradually C.actually D.frequently18A.written B.known C.said D.seen19A.expect B.understand C.respond D.introduce20A.trouble B.fun C.difference D.magic
已知5x﹣n． Ⅰ当n＝6时求 ①展开式中的中间一项 ②展开式中常数项的值． Ⅱ若展开式中各项系数之和比各二项式系数之和大于240求展开式中含x项的系数．
在基因型为AaXBXbAaXBY的果蝇产生正常配子过程中下列叙述错误的是
ItwasaFridaynightandIwas1arestaurantwashingdishes.Aplate2throughmywetfingersandfellontothefloorin3.Myfaceflushed发红andinsideIwasscreaming'Whyme!?'asifmy4wouldmaketheplatewholeagain.Thebrokenplatewasonlyoneofthemany5fightinginsideme.Therewereadozen6smallerbuturgentconcerns.Formeitwasimpossibletogetsomemuch7restorsomestudytimebeforeacomingexam.Ihadto8withthefamilyexpenses开销.SoIgotbacktowork.Itwas12a.m.whenIfinallyfinishedmywork.Igotonthe9homeandtookoutmynotestostudy.Igotthe10looksfrompeopleoutofbarsbecauseIwasstudyingonabusinthemiddleofthenight.Their11didn'tbothermeatall.Iknewsomethinghadtochangeinmyfamilyandit12tometobeginit.FortunatelyIalsoknewIhaddesireand13inmyblood.MygrandfatherwasamongthefirstMexicanimmigrantswho14inL.A..BothofmyparentsleftMexicointheirearlyteenageyearsandbeganworkinglong15asacookandamaid.Thespiritwas16generationswhichhelpedmebothinschoolandatwork.AsIwalkedthroughthefrontdoorathomeIsawmymotherhadfallenasleep17medespiteherownlongday.Inmybedroomwatchingmybrothersbreatheslowlymademefeelmybody'stiredness.HoweveritwouldbeawhilebeforeIcould18theminsleep.Ihadanessay19earlythenextmorningandMs.DePaolodoesn't20latework.1A.inthemiddleof B.inthefrontof C.inthecornerof D.inthebackof2A.slipped B.flew C.jumped D.slowed3A.slices B.pieces C.blocks D.sheets4A.scream B.cry C.voice D.shout5A.tasks B.difficulties C.worries D.matters6A.another B.others C.other D.some7A.excited B.attracted C.delayed D.needed8A.increase B.workout C.cutdown D.helpout9A.taxi B.bus C.subway D.train10A.strange B.casual C.friendly D.formal11A.observation B.stares C.laughter D.ignorance12A.felt B.jumped C.threw D.fell13A.promise B.wish C.courage D.ability14A.settled B.moved C.lived D.worked15A.years B.days C.hours D.minutes16A.handedin B.passeddown C.passedaway D.turnedto17A.waitingfor B.watchingon C.callingup D.searchingfor18A.take B.join C.hold D.keep19A.ready B.written C.due D.finished20A.receive B.check C.accept D.assess
某种产脂肪酶菌常被用作饲料添加剂如表是从土壤中初筛该菌的培养基配方请回答下列问题 1在上述培养基中榄油能为产脂肪酶菌提供．为增大产脂肪酶菌的浓度需用该培养基进行富集培养富集培养基宜选用液体培养基的原因是． 2用涂布平板法分离产脂肪酶菌时在上述培养基的基础上还应加入和溴甲酚紫碱性条件下呈紫色在酸性条件下为黄色．在平板上产脂肪酶菌菌落的周围会出现黄色圈原理是．筛选时常选择菌落大黄色圈直径大的菌落这说明此菌落． 3菌落是指由一个细胞繁殖而来的肉眼可见的子细胞群体．在平板上有的菌落较小呈乳白色表面光滑无丝状物这些菌落可能为填“细菌”或“霉菌”．有的菌落连成一片形成原因最可能是． 4研究发现在饲料中添加产脂肪酶菌剂后动物的体重明显增加这说明．
下列有关内环境稳态及调节的叙述错误的是
Inmostartmuseumsthepaintingsonthewalljustlookflatbutsometimesvisitorscomeacrossanimagethatappearstobethree﹣dimensional.Theartisthascleverlyusedcolorslinesandshadingtogivethepaintingsomedepthmakingitmorerealistic.Theartistictechniqueofcreatingthree﹣dimensionalimagesofsomethingonaflatsurfaceiscalledtrompeI'oeil.TodaysomeartistsareadaptingtheideaoftrompeI'oeiltomakethingsbecomeinvisiblewhichiscalledcamouflageart. Innatureusingcamouflagenotonlyallowsinsectsandanimalstohidefromtheirnaturalenemiesbutalsoallowsthemtogetcloseenoughtosurpriseotherinsectsorsmalleranimalsthattheywanttocatchandeat.Artistsarenothidingorpreparingtoattack.Insteadtheyareusingtheideaofcamouflagetomakeurbanspaceslooknicerortomakestatementswiththeirart. Itisnotdifficulttofindthingsthatwewouldliketomakedisappearsuchasthedullwallofalargeindustrialbuildingorthepolescarryingelectricitywires.Artistscanmakethesethingsmoreinterestingandinsomecaseslessvisible.Inmanyurbanareaslargebuildingshavebeenpaintedwithamazingpicturesthattrickoureyes.Thusordinarybrickwallsaretransformedintointerestingworksofart. Someartistsincludecamouflageintheirworktosaysomethingaboutthemodernworldwelivein.ForexampleAmericanartistTrinaMerrycamouflagespeoplesothattheydisappearinthelandscapesshe photographs.HerlatestseriesNewYorkCityblends融合womenandtheirenvironmenttocreateimagesthatcloselyexaminetherelationshipbetweenpeopleandwheretheylive.MyseriesshowsrespectforBigApplewomenwhofeeltheneedtoblendinwitheveryoneelseinNewYorkMerrysays.Ithinkmanywomenmoveherehopingtoliveacitylifewhentherealityisthatmostwomenhavetochangetheirfancydesignerheelsonthesubwayformorepracticalsneakers. 1Whichofthefollowingwordsbestdescribecamouflageart? A.Flat. B.Invisible. C.Dull. D.Disappointing. 2Whatisthepurposeofusingcamouflageinnature? A.Tomakeanimalslooknicer. B.Toexpresspeople'sartisticconcept. C.Tosurprisesmalleranimalsorinsects. D.Toprotectanimalsfromnaturalenemies. 3Fromthelastparagraphweknowthat. A.Merryfeeltheneedtofitinwithothersinthecity B.mostwomenwearfancydressesintheirdailylifeinthecity C.womeninNewYorkhavesucceededinbeingapartofthecity D.NewYorkcitycanpartlymirrorpeople'slifeinmodernsociety 4Thisarticleismainlyabout. A.aformofart B.theseriesofpaintings C.afamousartist D.thewomeninNewYork
Iwillneverforgetthedarknessthepainandstrongdesiretodie. NovemberarrivedgreyandbusyandgoingintoanevenmorestressfulDecemberIwasfilledwithanxiousthoughts.Avisittomyfather'sgraveisoftenagoodchancetocryandwhenIleaveIfeelalittle moreatpeace.Butthistimewasdifferent.IdrovehomeandeverynightfortherestofthatweekIcried. OnSaturdayIwatchedaTVprogramteachingbakingandthenIstartedtolearn.BytheendoftheweekendIhadatablecoveredwithsweettreats.Ipackagedthemupintinsattachedalabeltoeachofthemwithwinterloveonitanddroppedthemoffonafewofmyneighbors'porches.Itshockedmehowmuchitlightenedmymoodseeingasmallpackagelostonaporch.ThethanksIreceivedlaterfromtheneighborsmademelightup.Itfeltsogoodanditdistractedmefrommydarkthoughts. ByJanuaryIhaddevelopedaroutineonSundayI'dbakecookiesandpackagethemupandonMondayI'ddeliverthem.EveryweekIaddedafewdifferentpeopletomydeliveryroute.Thenthingsstartedshowinguponmydoorstep﹣ahomemadecupapairofsockswithcookiesandevenagiftcertificatefromthelocalbookstore.Everysingleonemeltedmyheart.ButwhatIreallyappreciatedwashowpeoplebegantosharetheirownstoriesofmentalhealthwithme.Thereisnogreaterhonorthantobetrustedwithanother'slife.Iwasoverwhelmedbytheloveandcareofmycommunity.Ithumbledmethatsomethingsosimplehadcreatedsuchincrediblekindness. Iwasshiftingintoanewseasonoflightwhilelettinggoofaseasonofdarkness.Itremindedmethatthereisbeautyinbeingkindandthatlifeistoughbutthereisaquietstrengthinknowingyouarenotalone. 1Whatcanweknowabouttheauthorfromthefirsttwoparagraphs? A.Shefeltlifewastoopainfultolive. B.Shewasinabadphysicalcondition. C.Shewasstressedduetoherfather'sdeath. D.Sherecoveredaftervisitingherfather'sgrave. 2Aftershestartedsharingcookieswithneighborstheauthor. A.gainedtrustandcarefromthem B.addedotherthingstoherdeliverylist C.feltherlifewasnolongerbusyorstressful D.foundsomeofthemhadmorementalproblemsthanher 3Whatisthemainpurposeofthispassage? A.Toexpressgratitudetocaringneighbors. B.Tosharehowbeingkindhelpedherregainhope. C.Tospeakofthebenefitsofbakingcookiesathome. D.Toshowtheimportanceofatrustedcommunity.
种群增长率是指单位时间内新增加的个体数占种群个体总数的比率可表示为×100%．调查某种群一段时间内某些特征的变化得到如图AB两条曲线以下分析正确的是
如图为人体下丘脑参与的部分调节过程示意图．回答下列问题 1人在寒冷环境中下丘脑神经分泌细胞分泌的激素A是激素B只能作用于甲状腺细胞的原因是．甲状腺激素在人体中的作用是． 2若图中“下丘脑→激素A→垂体→激素B”过程调节着人体内性腺分泌性激素某人下丘脑功能正常但性激素含量不足原因是垂体或性腺两种器官中的某一器官功能受损．临床上可通过给患者注射激素填“A”或“B”然后检测血液中性激素的含量变化进行诊断若则说明垂体功能受损．
假如你是李华你约好昨天去公交车站接你的朋友Dylan但你却迟到了10分钟令他很失望.请用英语给他写一封道歉信要点如下 1.向他表示道歉2.表达你对此事的认识3.请求他的原谅. 注意1.词数80左右 2.可以适当增加细节以使行文连贯 3.开头和结尾已为你写好不计入总词数. DearDylan Yours LiHua
In2013Tallinn爱沙尼亚首都塔林becametheworld'sfirstcapitalcitytoofferpeoplefreepublictransport.LastyearEstonia爱沙尼亚settheaimtobecomethefirstcountrywithfreepublictransportnationwide.Busesarenowfreeofchargein11ofits15counties. Tallinn'scitygovernmentcameupwiththeideaoffreetransportin2008.Eventhoughthecitypaidmorethan70%ofpublic﹣transportcoststicketpriceswerestilltoohighforpoorerpeople.Crowdednesshadalsobecomeaproblem.Since1991thenumberofpeopleowningcarshasdoubled. Opponents反对者thoughttheideaunaffordableandcritics批评者predictedthetransportsystemwouldbecomeovercrowdedandlackmoney. Surprisinglypublictransporthasimproveddespitea€12millionhittothesystem'sfinancesfromlostticketsales.Tallinn'spopulationhasgrownleadingtoanincreaseinlocaltaxintake.Additionalrevenue财政收入comesfromtouristswhostillhavetobuytickets.TheuseofpublictransportinTallinnhasgoneupby10%whilethenumberofcarsinthecityhasgonedownby10%meaninglesscongestion. NowothercountriesarelookingatEstonia'sexperience.TallinnofficialssaytheyhavehadinterestfromFranceSwedenPolandItalyandGermany.Otherplaceshavealreadyintroducedfreepublictransportforcertaingroupsoratcertaintimes.InEngland1/3ofallbustripsarefare﹣freeespeciallyforpensioners领养老金者Walesrunsfreetravelatweekendstoimprovetourism.Butsofarfullfare﹣freetravelisrare.ThecityofHasseltinBelgiumranfreepublictransportfor16yearsbeforereintroducingfaresbecauseofincreasingcosts. 1Whichofthefollowingplacesoffersfullfare﹣freepublictransport? A.Hasselt B.Estonia C.Wales D.Tallinn 2WhatideadidtheopponentsandcriticsshareaboutTallinn'sfreepublictransport? A.Thegovernmentwouldn'thaveenoughmoneytocarryitout. B.Itwouldn'thelpwiththecity'sovercrowdedness. C.Itwouldleadtotheheavylossfromticketsales. D.Yearslaterthecitywouldreintroducefaresfrompeople. 3Whatdoestheunderlinedwordinparagraph4mean? A.pollution B.population C.crowdedness D.income 4WhydoyouthinksomanycountriesshowinterestinEstonia'sexperience? A.Itoffersmorejobopportunitiesforpeople. B.Ithelpstosolvethetrafficproblemincities. C.Itencouragespeopletostopdriving. D.Itattractsmoretouriststotakebuses.
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