美国国情咨文的概念隐喻历时研究

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1、ADiachronicStudyofConceptualMetaphorsintheStateoftheUnionAddressABSTRACTThisthesisattemptstoconductadiachronicresearchonconceptualmetaphorsintheStateoftheUnionAddre鼯toexploretherolethatconceptualmetaphorplayincognizingandunderstandingpoliticaldiscourses，inexpec

2、tationofprovidinganswerstothefollowingquestions：(1)WhatarethemaintypesofmetaphorsintheStateoftheUnionAddress?(2)Howdothesetypeschangediachronically?(3)Whatarethereasonsforthesechangesandwhatgoverningconceptsarereflectedbychangesinmetaphorcategory?Undertheguidan

3、ceoftheConceptualMetaphorTheory,ananalysisismadeofthemappingrelationshipbetweenthesourcedomainandtargetdomainofmetaphors，andstablecategoriesofmetaphorsalefound．ByobservingmetaphorsofthesecategoriesdiachronicaUy，theirchangescomesintoview．Politicalandeconomicreas

4、onsdomesticallyandinternationallyaretakenintoaccountinanalyzingreasonsforthechangesofmetaphorandthegoverningconceptsreflectedbythesechanges．Researchresultsareasfollows：(1)TherearesixmaincategoriesofconceptualmetaphorsintheStateoftheUnionAddresssuchasconstructio

5、nmetaphor,journeymetaphor,machinemetaphor,watermetaphor,organismmetaphor,Warmetaphor,andotherconceptualmetaphorslikefamilymetaphor．(2)TheirdiaChr0Ilicchangesaleasfollows：Slightfluctuationstookplaceinthenumberofconstructionmetaphorandorganismmetaphor；Widefluctua

6、tionstookplaceinthenumberofwatermetaphor；Machinemetaphorenjoyedasustainedincrease；Journeymetaphorunderwentachangetrendfromfalltostabilization；Warmetaphorchangedfromrisetofall．(3)ChangesintheirfrequencychieflybearinfluencesfromAmerica’sdomesticandinternationalpo

7、liticsandeconomyanditspresidents．MeanwhiletheirchangesreflectthethreedifferentperiodduringwhichchangestookplaceinAmerica’sgoverningconcept．Thefirstperiod，namelytheColdWarperiod,lastedfrom1961to1991duringwhichprioritywasgiventoconsolidatingthecountry．Thesecondpe

8、riodspannedfrom1991to2000duringwhichstrongtacticsandpolicieswereadoptedtotackleinternalandexternalaffairs．The廿lirdperiodextendedfrom2001to201duringwhichanincreasinglymildgov