6Arundale, R. 2006. Face as relational and interactional: A communication framework for research on face, lacework, and politeness [J]. Journal of Politeness Research 2 (2) : 193 - 216.
7Arundale, R. 2010. Constituting face in conversation: Face, lacework and interaetional achievement[J]. Journal of Pragmatics 42 (8) : 2078 - 2105.
8Bachman, L. 1990. Fundamental Consideration in Language Testing [ M]. Oxford.. Oxford University Press.
9Bardovi-Harlig, K. & B. S. Hartford. 1996. Input in an institutional setting [J]. Studies in Second Language Acquisition 18:171 - 188.
10Bialystok, E. 1993. Symbolic representation and attentional control in pragmatic competence [C] // G. Kasper S. Blum-Kulka. Interlanguage Pragmatics. New York: Oxford University Press: 43 - 59.
