1[1]De Bot,K.1992.A bilingual production model:Levelt's'speaking model adapted[J].Applied linguistics.13 (1):1-24.
2[2]Ellis,N.C.1996.Sequencing in SL A[J].Applied Linguistics 18:91-126.
3[3]Fillmore,C.J.1979.On Fluency.Individual Deferences in Language A-bility ＆Behavior[M].New York:Acadernic
4[4]Foster,P.and Skehan,P.,1996.The influence of planning and task type on,second language performance[M].Second Language Acqui-sition 18,pp.299-323.
5[5]Freed,B.F.(2000).Is Fluency,Like Beauty,in the (and Ears) of the Beholdet?.In Heidi Riggenbach (ed.).(2000).Perspectives on Fluency[M].U.S.A.Ann Arbor..The Universety of Michigan Press.
6[6]Hieke,A.E,1985.A componential approach to oral fluency evaluation[J].Modern Language Journal69 (2):135-42.
7[7]Honse,J.1996.Developing pragmatic fluency in English as a foreign lan-guage:Routines and metapragmatic awareness[M].Studies in Second Language,Acquisition 18 (2):225-52.
8[8]Koponen,M ＆ Riggenbach,H.(2000).Overview:Varying Perspictives on Fluency.In Heidi Riggenbach (ed.).(2000).Perspectives on Fluency[M].U.S.A.Ann Arbor:The University of Michigan Press
9[9]Kormos,J.＆ Dines,M.,2004.Exploring measures and peroeptions of fluency in the peech of second learners In System 32 (2004),145-164.
10[10]Lennon,P.1990.Investigating fluency in EFL:A quantitative approach[M].Language Learning 40:387-417.
10Cross, D E. 1998. A systems approach to stuttering. Retrieved 30 October, 2002, from http://www. ithaca. edu/crosss/ SPECIALIZATIONS/STUTI'ERING/Stut home. html.
