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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。