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简介：<正>Amangavehissonalecture,"Youshouldstudywell.Doyouknow?WhenLincolnwasatyourage,hewasthebestpupilinhis

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简介：Oncetherelivedaveryoldpeasantinavillage.HisnamewasJack.Hehadahorse.Itwasalmostasoldashim.Onedayhesetoffwithhisyoungsontosellthehorsebeforeitdied.Theywalkedbecausethefatherdidnotwantthehorsetobetootired.

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简介：PassingthroughtheAtlantaairportonemorning,Icaughtoneofthosetrainsthattaketravellersfromthemainterminaltotheirboardinggates.Free,sterileandimpersonal,thetrainsrunbackandforthalldaylong.Notmanypeopleconsiderthemfun,butonthisSaturdayIheardlaughter.

简介：Theseven-year-old:“Fatherisgreat,heknowseverything.”

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简介：父子俩赶着驴去集市。路上一骑马的人建议他们骑驴，男人就让儿子骑上驴。一老人见了提议让父亲骑驴．于是男人便自己骑上驴，让儿子跟着走。可是一女人见了这一幕又觉得儿子很可怜，父子俩只好都骑在驴背上，但此时又有人可怜这匹不堪重负的驴了。最后，父子俩就抬着驴走。结果却遭到了众人的嘲笑。过桥时，驴掉进了河里。

简介：IntroductionSomewritingisgoodinsentencestructurebuteitherpoorincoherenceorincohesion.Theproblemofcoherenceisthatthesequenceofinformationisnotalwaysclearandtheproblemofcohesionisthatthesequenceofinformationisacceptable,whiletheconnectionbetweenitisnotsogood.Thequestionishowtoanalyzeandimprovethesedifferentweaknessinwriting.Wehavetwomethods.Onetofocusoncoherence,theothertofocusoncohesion.Inthisessay,themethodusedisbasedontheprinciplethatcoherenceandcohesionshouldworktogether.Iusethisapproachasatooltoeditanddisplaytheanalysisofcoherenceandcohesioninthepassageentitled’Father&Son".ThispassageispresentedasaguidedwritingexerciseinCollegeEnglishCourse,IntensiveReading,Band3,p271.

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简介：<正>Mongolnationalitynowhasapopulationof4,806,849people,mainlylivingintheInnerMongoliaAutonomousRegion.Someothersliveinthenorth-eastandnorthwestpartsofChina.Mongolnationalitystarteditsdevel-opmentinEergunaRiverbasin.Inthe13thcentury,GenghisKhanledhisMon-goltribeunifiedallthetribesinMongoliaarea,andestablishedtheYuanDynasty.Mongolnationalityhasalonghistoryandmanylegendarystories.Inthepastthou-sandsofyears,Mongolpeoplelivedanomadiclife"migratingtowardswaterandgrass".InmostgrasslandareasofChina,therehavebeenfoottracksofMongolherdsmen.Theyarehonoredas"favoredsonsofthegrassland".

简介：In1874FrancisGalton,aBritishpolymath,analysedasampleofEnglishscientistsandfoundthevastmajoritytobefirst-bornsons.Thisledhimtospeculatethatfirst-bornchildrenenjoyedaspeciallevelofattentionfromtheirparentsthatallowedthemtothriveintellectually.HalfacenturylaterAlfredAdler,anAustrianpsychologist.

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简介：提出了一种自适应网络测量系统方案以解决传统测量系统在家庭基站加入的场景下切换性能不高的问题，分析了触发时间、A3事件门限和移动终端速度三个因子对系统切换性能的影响，引入了最大允许速度控制参数，设计了与测量机制配合的自适应网络单步执行算法。该算法通过已有的信令将反馈网络中由切换导致的无线链路失败率进行统计，根据统计结果动态调整参数，并由测量机制完成更新。仿真结果表明，与传统的测量系统相比，本系统由切换导致的无线链路失败率大大降低，具有很强的实用性。

简介：AnalluvialbajadahasbeenrecognizedalongapartoftheactiveNarmada-SonFault(NSF)andconfinedbytheKarjanRiverontheeasternsideandbytheMadhumatiRiveronwesternside.Thebajadasequenceexposedalongtheincisedcliffsofvariousnorthflowingparallelstreamshasbeenstudiedintheirproximal,medialanddistalpart.Thesedimentsarecharacterizedonthebasisofgrainsize,fabric,sedimentarystructures,bedgeometryandsorting,andlithologspreparedfromthemappedcliffsections.Detailedstudyofsedimentarycharacteristics,lithofaciesanalysisandfaciesassociationsindicatethatsedimentsaremainlyofthreetypes-sedimentsthatweredepositedbydebrisflowsandsedimentgravityflows,andasextensivebardeposits.Threemajoraggredationalsequencesarerecognized.Eachsequenceiscomposedofcoarsening-upwardsequenceofproximalfaciesoverlainbyfining-upwardsequenceofdistalfacies.CoarseningupwardsequencerecordperiodsoftectonicactivityrelatedtoupliftalongtheNSFandfanprogradation,whereasfining-upwardsequenceresultsfromtectonicquiescenceperiods.Thepresenceofrhizocretions,calciumcarbonatenodulesandcalcitesheetswithinthebasaldebrisflowandsedimentgravityflowindicatesemi-aridclimate,whereastheformationofpedoginizedpaleosolindicaterelativelywetterclimateprevailinginthestudyarea.TectonicactivityalongtheNSFhasplayeddominantrolebycontrollingthegeometryandvolumeofbajadasediments.Climateisfoundtoberesponsibleforcompositionalandtemporaldistributionofbajadasediments.OSLdatingsuggeststhatthebajadasedimentsweredepositedduringthelaterpartoflatePleistocene.TheincisionofthesedimentsisattributedtoupliftduetoinversionofthelowerNarmadabasinduringtheearlyHolocene.