1Halliday,M.A.K&R.Hasan.Cohesion in English[M].Beijing: Foreign Language Teaching and Research Press, 2001.
2Ariel,M. "Interpreting Anaphoric Expressions:a Cognitive Versus a Pragmatic Approach." [J].Joumal of Linguistics, 1998,30:3-42.
3Fox,B.A.20OO.Discourse Structure and Anaphora: Written and Conversational English[M].Cambridge: Cambridge University.
4Bickerton,D."Some Assertions about Presuppositions about Pronominalization." [C]//In Papers from the Parasession on Functionalism.Chicago: Chicago Linguistic Society, 1999.
5Kuno,S."The Use of Personal Pronouns: Role Relationships." [J].Scientific Journal Articles: English for Specific Purpose , 2000,18(2):121-138.
