2Brown, A. 1995. The effect of rater variables in the development of an occupation-specific language performance test [J]. Language Testing12/1 : 1-15.
3Fayer, J. M. & E, Krasinski. 1987. Native and nonnative judgements of intelligibility and irritation [J ]. Language Learning 37/3 : 313-327.
4Hamp-Lyons, L. & B. W. Zhang. 2001. World Englishes: Issues in and from academic writing assessment [ A]. In L. Flowerdew & M. Peacock (eds.). Research Perspectives on English for Academic Purposes [ C]. Cambridge : Cambridge University Press.
5Hughes, A. & C. Lascaratou. 1982. Competing criteria for error gravity [J]. ELT Journal 36/3: 175-182.
6Sheorey, R. 1986. Error perceptions of native speaking and non-native speaking teachers of ESL [ J ]. ELT Journal 40/4: 306-312.
7Shi, L. 2001. Native- and nonnative-speaking EFL teachers' evaluation of Chinese students' English writing [J]. Language Testing 18/3: 303-325.
8Aijmer, K. 1996. Conversational Routines in English-Convention and Creativity[ MI. London:Longman.
9Altenberg, B. & M. Tapper. 1998. The use of adverbial connectors in advanced Swedish learners' written English [ A].In S. Granger (ed.). Learner English on Computer [ C ].London: Longman.
10Arevart, S. & P. Nation. 1991. Fluency improvement in a second language [J]. RELCJournal 22/1:84-95.