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1、AcknowledgementsFirstandforemost,I?dliketoexpressmygreatandsincerethankstomysupervisor,ProfessorLiuJinming,notonlyforhisvaluablesuggestionsontheselectionofthetopicandthecarefulrevisionsduringthewholethesiswriting,butalsoforhiswholeheartedsupportandconstantencouragementoverthepastthree-yearpostgrad
2、uatestudy.Hesetsagoodexampleformeontheacademicresearch.Withouthisguidance,supportandencouragement,thisthesiscouldn?thavebeencompletedintime.Besides,Iwanttoshowmygreatthankstotheotherteachersoftheschoolofforeignstudies,whohaveexpandedmyknowledgeonlinguistics,broadenedmyhorizonandarousedmyinterestin
3、Englishstudy.Thenmythanksandappreciationalsogoestomyclassmatesandroommates,whohavehelpedmewithalotofusefulmaterialsanddata,givenmegreatsupportandencouragementandprovidedmewithlotsofconstructivesuggestions.Lastbutnotleast,Iwouldliketotakethisopportunitytoextendmythankstomyparents,whohavegivenmegrea
4、tencouragementwheneverIhavesomedifficultiesinmythesiswriting.Itistheirdeeplovesandsupportsthathelpmesucceedinfinishingthisthesis.iAbstractDiscourseanalysishasbeenpaidgreatattentiontobylinguistssinceitwasproposed,whilehavinganoverviewoftheemergenceanddevelopmentofdiscourseanalysis,wemayeasilyfindth
5、atcriticaldiscourseanalysisisthemainfocus.Criticaldiscourseanalysis(CDA),basedondeconstructivephilosophy,focusesontheinequalityofpowerembodiedinthetexts,namely,therelationbetweenlanguageandideology.Butactuallynotallthediscoursesimplyunequaldiscourserelation.InviewofthedeficienciesofCDA,Martinpropo
6、sedthePositiveDiscourseAnalysis(PDA).AccordingtoMartin,theanalysisoflanguageshouldn?tberestrictedtothe“badnews”withinequality,andthose“goodnews”advocatingpeaceshouldalsobecontained.PDAisnottooverthrowthetheoreticalfoundationandanalyticalmethodologyofCDAabsolutely,butittendstolookuponandsolvethevar
7、ioussocialproblemswithapositiveattitude,hopingtoconstructaharmonioussocietythroughdiscourseanalysis.Basedonthis,thisstudyadoptsappraisaltheoryasthemaintheoreticalfoundationtomakeapositiveanalysisofthetennewsrepor
