简介：<正>Asearlyasthebeginningofthe20thcentury,Dr.SunYat-sencommentedthat"Nanjingisaverycharmingandniceplacewhichboastsofhighmountains,deepwaterandtheplateau.Thesethreekindsofendowmentsbestowedbyheavenareincorporatedwiththecityanditisindeeddifficulttofindsuchbeautifulsceneryamongbigcitiesintheworld."Thesenaturalendowmentshaveresultedinanecologi-

简介：bythetheoryofsciencetodealwithbetweenpersonandearth.thenaturesystem——ofthenaturalgroundcontainvital"fairy"——intheprocessofcityturnencounterthoroughlydestroyoragreatmountof.avoidedinthepastChinesecitydevelopmentsofmorethan20inthelastyears,butcanhelpmankindthelivegettingbetter.Thiskindofpersonthecognitionoftheearthrelationisendshouldnowforakindofnewtheethicsofearth.Lovespassionatelywithrespectthenatureprocesswiththestructureandformispeoplewhoethicalfoundationinthiskindofnewearth,howtoletcityandnaturesystemsymbiosisandmakemoderncitythepersoncanfeelnaturalprocess

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简介：曾经在和一位外国朋友聊天的过程中，我问他是否第一次来北京，他是这样回答我的：IhavebeencomingtoBeijingforfourteenyears.看完这句话，相信大多数读者第一反映是：“我来北京有十四年了”，也就是说14年来，他一直长期生活在北京。——但实际，我的这位朋友他并不生活在北京。

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简介：话题呈现Mike同学在英语学习方面遇到一些问题,请你介绍一些学习方法给他,帮助他更好地学习。请以此为话题,写一篇作文。

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简介：A'witkey'isapersonwhosellsknowledgeandexperiencetoothersviatheInternet.Whataretheopportunitiesandchallengesofthisnewandrapidlyexpandingareaofe-commerce?ITwasoneo'clockinthemorning,andHuangWeiguowashunchedoverhiskeyboard,busilyapplyingthefinishingtouchestotheproducthewasabouttosendtohisclientviaawitkeywebsite.Hehadspenttwosimilarlytediouslatenightsstaringathisscreen,makingsurethatthepackagehereturnedwouldbeahigh-qualityjob.'It'saverydemandingjob,butthehourscanbeflexible.What'smore,youcanfindtheworkyouspecializeindirectlyonthesewitkeywebsites.'

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简介：PressureAnalysisforNon-LinearPercolationFlowinLowPermeabilityReservoir；AStudyforCalculatingInfluencedRadiusofGasWell；StudyandApplicationofNetPressureMatchingandAnalysisInterpretationTechforHydraulicFracture；StudyonTestingInterpretationModelofDualMediumandRadialCompoundReservoirInfluencedbyInterfaceAdditionFriction；StudyontheNon-DarcyPercolationRulesintheLowPermeableOilfield；

简介：Themainpurposeofthispaperistwo-fold:(i)togeneralizeanexistenceresultforacompressiblegas-liquidmodelwithafrictiontermrecentlypublishedbyFriisandEvje[SIAMJ.Appl.Math.,71(2011),pp.2014–2047];(ii)toderiveauniquenessresultforthesamemodel.Amainingredientintheexistencepartistheobservationthatwecanconsiderweakerassumptionsontheinitialliquidandgasmass,andstillobtainanexistenceresult.Comparedtotheabovementionedwork,werelyonamorerefinedapplicationoftheestimatesprovidedbythebasicenergyestimate.Concerningtheuniquenessresult,weborrowideasfromFangandZhang[NonlinearAnal.TMA,58(2004),pp.719–731]andderiveastabilityresultunderappropriateconstraintsonparametersthatdeterminerateofdecaytowardzeroattheboundaryforgasandliquidmasses,andgrowthrateofmassesassociatedwiththefrictiontermandviscouscoefficient.

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简介：Tomanypeople,thewordcostumes,out-of-this-world＂superheroes＂conjuresup1powers,andafewgoodguysevenmakesyouthinkofold-fashioned,CaptainAmerica-styleimagesofbrightly-colouredwardingoffevil.Perhapsitvalues：ofheroesvsvillains.

简介：Withadvancesinshaledrillingtechniquesboostingoilandgasproduction,theU.S.hasbecometheleader,firstoutpacingRussiainnaturalgasproduction,andthenbecomingin2014anetexporterandtheworld’slargestproducerofpetroleumproducts.PresidentObamadeclaredconfidentlyinJanuary’sStateoftheUnionAddressthatthecountrywas

简介：ＣｕｌｔｕｒａｌＲｅｌｉｃｓＷｅｌｌＰｒｅｓｅｒｖｅｄｉｎＴｉｂｅｔＴＣＲＢｉｓｔｅｅｍｅｄｗｉｔｈｃｕｌｔｕｒａｌｒｅｌｉｃｓ，ｗｈｉｃｈａｒｅｗｅｌｌｐｒｅｓｅｒｖｅｄｅｖｅｒｓｉｎｃｅｔｈｅｐｅａｃｅｆｕｌｌｉｂｅｒａｔｉｏｎｏｆＴｉｂｅｔ，ｅ...

简介：Friendshipisoneofthemostvaluableattainmentforpeople.It'sveryimportantforus.Nobodycanlivehappilywithoutfriendship.Doyouhavefriends?Anddoyouknowhowtogetonwellwithyourfriends?

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简介：这五个词都有“也,又,同样”的意思,但用法各异。_、aswell意为“也;还”,起_词作用,相当于1〇〇或also,常位于句末,强调它所修饰的部分。如:Whydon’tyoucomealongaswell?你为什么不也一起来呢?ShiChangisastudentatGreenSchoolaswell.史畅也是格林学校的一名学生。