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1、AbstractPoliticalspeechisknownforitspersuasivepower.Politicalspeechesaredeliveredbytheaddresserstoelucidatetheirpositions,viewpointsandpoliciesinviewofthepoliticalsituationhomeandabroad.Thelanguageusedinapolitician’sspeechcloselydependsonthespecifictimeandsocialcontextofth
2、epoliticalobjectives.InhisspeechesontheIraqWar,BushpresentsIraqiregimeasadangerous“enemy”andrepeatedlystressesthattheUnitedStates,asthedefenderofpeaceandjusticeoftheworld,hastheobligationtosavetheIraqipeoplefromtheIraqityranny.Inthisprocess,theideologyofadiscoursehasbeenfu
3、llyreflected,inturn,languagecontributestotheformationofideology,whichreflectsthedialecticalrelationshipbetweenlanguageandideology.AppraisalTheory,firstproposedbyJ.RMartininthe1990s,extendsthescopeofattitude,developsandperfectstheresearchoninterpersonalmeaninginSystemic-Fun
4、ctionalLinguistics.AppraisalTheorydescribesandexplainstheuseoflanguagefromthelexicalaspect.BeforetheAppraisalTheorycameintobeing,theinterpersonalresearchhadbeenlimitedtothegrammarcategory,andunabletoexplainthespeaker’sattitudeclearly.Therefore,AppraisalTheorymakesasuppleme
5、ntoftheSystemic-FunctionalLinguistics.Inthisthesis,theauthorattemptstochooseacomparativelylessanalyzeddiscourse—thepublicpoliticalspeechestodotheresearchfromtheperspectiveofAppraisaltheory.BasedontheAppraisalTheory,thisthesisinvestigatesthespeechesonIraqWardeliveredbyBushf
6、romtheperspectivesofattitudinalpositioninganddialogicalpositioning.Itaimstoexplorethedistributionoftheappraisalresourcesandtheapplicationofdifferentevaluativedevicestointerprethowthespeakersbuildsocialrelationswithlistenerstofacilitateourunderstandingofthespeakers’intentio
7、ns.IttriestofindoutthewayideologyisembeddedthroughevaluationinBush’sspeeches,thatis,howaredifferentvaluesandideologiesembedded万方数据andrealizedinBush’sremarksontheIraqwar?And,inturn,inwhatwaydotheseremarksreflectthevaluesandideologies?Itwouldbeveryimportanttofindoutthewaythe
8、speakerisengagedinthestrategyoftheremarksandimpartinghisideologyandvaluetoinfluencetheaud
