简介：2052年9月10日8时整，梦想中学的校长李镇西带领梦想中学的部分老师在校门口迎来了一批特殊的客人。客人来自火星，乘坐着一架UFO专机。一一介绍过后，火星代表团团长卜存在先生说：“李镇西先生，今天是9月10日，按我们那里的风俗，今天是教师节，所以，我领着我们最优秀的老师，前来你们学校参观取经。但是刚见面，我就发现了一个问题。我觉得，你们的老师，比我们的老师要年轻多了。”

简介：

简介：

简介：TALL,refinedandsmart,KhalidMalikofPakistanistheUnitedNationsResidentCoordinatorandUNDPResidentRepre-sentativeinChina.HeandhisAmericanwifehavelivedinChinaforthreeyears.Mr.Malikleadsahecticworkinglife:Everyweekheattendsvariousconferences,forumsandlecturestoconveyUNSecretaryGeneralKofiAnnan's

简介：2052年9月8日，我告别了女儿，离开欧洲回到国内。虽然一退休就到女儿那里去了，但在国外生活的三十多年里，每年到了9月我就要想到教师节，就要想到学生该给我写贺卡了、学校该发钱了，教研组该聚餐了……

简介：

简介：KofiAnnan,aGhanaiancareerdiplomat,hassucceededBoutrosBoutros-Ghali,anEgyptian,asthenewSecretary-generaloftheUnitedNationsforafive-yearterm.ThishasensuredcontinuedtopUNadministrativeleadershipforAfrica.Incidentally,Mr.AnnanisalsothefirstUNSecretary-generalfromsub-SaharanAfrica.

简介：TheauthorityandefficiencyoftheUnitedNationshaveweakenedleadingtoaseriousdeficitinglobalgovernance.AUnitedNationswithstrongerrepresentativeandoperationalpowersisneededtoconstructthemoreopen,inclusive,collaborativeandeffectiveframeworkrequiredforglobalgovernanceinthe21stcentury.ChinashouldandwillplayaleadingroleintheUN'sfutureefforts.

简介：LG的LP—A2052HT是一款2匹空调柜机，国内型号命名为KFRd-47LW／A2。本机具有电辅热、扫风方向控制、工作图形显示和温度数字显示功能，还设有一般空调没有的室内吹出风温度传感器外机，室外有独立的制热化霜控制板。

简介：“潘un”是青岛的一位网民，今年27岁，八零后。清明节期间，青岛汇泉广场草坪被掀、沿海一带扒路种树的图片在网上热传，她情不自禁地写了一系列微博，参与讨论。虽说全青岛大面积种树事件，政府听从民意，早已被叫停，但潘un的微博还是值得回味，因为它折射出的是当下力倡的公民意识。

简介：Asamaincomponentofinternationalhumanrightsdocuments,theUnitedNationscorehumanrightsconventionsshowobviousformalandsubstancecommonalities.TheformalcommonalitiesconsistintheirbeingadoptedbyUNGeneralAssemblyandtheirsimilarityinstructure,subjectsandsystems.Theircommonalitiesinsubstanceincludethesimilarityofcontents,thehomogeneityoftheproceduralmechanismsandthecomplementarynatureoftheirnormativeinterpretation.ThecommonalitiesamongtheUN’scorehumanrightstreatiesistheinevitablerequirementoftheuniversalityandwholenessofhumanrights.

简介：UnitedNationsSecretaryGeneralKofiA.AnnanisgoingtocompletehissecondtermofofficebyDecember31thisyear.Althoughthedayissometimeaway,competitionforthepositionofthenextsecretarygeneralhasunfoldedwithinandoutsidetheUnitedNations.Giventheimportanceofthepostwhichhasabearingontheorientationandfuturedevelopmentoftheorganization,andduetothedifferentapproachesandpoliciestakenbythepartiesconcerned,thereisboundtobeasharpcontentionamongthevariousparties.

简介：ThepresentpaperreviewstheUNimportanteffortstopromoteglobalsustainabledevelopmentinthechronologicalordersinceUNConferenceonHumanEnvironmentin1972,andanalyzestheprogressandgap.TheresultsshowthattheUNsystemhasmadegreateffortsforglobalsustainabledevelopmentsincetheUNConferenceonHumanEnvironment,especiallysinceUNConferenceonEnvironmentandDevelopment,promotedtheformationofimportantconsensusandmultilateralinternationalconventionsonmanyfields,boostedthedevelopmentofpartnershipinthefieldofsustainabledevelopment,andacceleratedactionsforsustainabledevelopmentofmanycountriesandregions.However,atpresent,theprogressmadeisstillfarbelowthelevelrequired,prominentlyreflectedintheslowprogresstowardthemillen-niumdevelopmentgoals,thedifficultiesinnegotiationsinthefieldofenvironmentanddevelopment,insufficientfulfillmentofinternationalagreementsandconventions,andundesirableeffectsofpartnershipinthefieldofsustainabledevelopment.Basedonthese,thepaperputsforwardfoursuggestionsforUNConferenceonSustainableDevelopmentin2012(Rio+20):(1)torevitalizethe'spiritofRio'andacceleratetheimplementationofexistingpoliti-calcommitments;(2)tomakenewpoliticalcommitmentsfocusingonclimatechangeandothermajorglobalchallengesundertheRioprinciples;(3)tolayoutablueprintofgreeneconomyundertheRioprinciples;and(4)topromoteSouth-Southcooperationasthefocusofinternationalcooperation.

简介：

简介：Japan'sdiplomacyrelatedtotheUnitedNationscanbetracedbackto1956whenitformallyjoinedtheUnitedNations.Afterraisingthegoalofbecominga'politicalpower'inthe1980s,Japan,inordertoboostitsinternationalstatus,hassparedno

简介：

简介：

简介：

简介：ByattendingUNactivities,Chinesenon-governmentalorga-nizations(NGO)havemadeconsiderableachievementsinthe

简介：当a为实数时，a^2≥0；若a^2≤0，则必有a=0．同样，若a^2+b^2+…+m^2≤0，则有a=b=…=m=0．利用此结论解某些数学问题，巧妙、简捷．下’面举例说明．