3Alcón,Soler,E. Fostering EFL learners' awareness of requesting through explicit and implicit consciousness-raising tasks[A].Bristol:Multilingual Matters,2007.221-241.
4Alcón,Soler,E,A.Martínez-Flor. Investigating Pragmatics in Foreign Language Learning,Teaching and Testing[M].Bristol,UK:Multilingual Matters,2008.
5Bachman,L,A.Palmer. LanguageAssessment in Practice[M].{H}Oxford:Oxford University Press,2010.
6Bachman L F. Fundamental Consideration in Language Testing[M].{H}Oxford:Oxford University Press,1990.
7Barron A. Acquisition in Interlanguage Pragmatics:Learning How to Do Things with Words in a Study abroad Context[M].{H}Amsterdam:John Benjamins,2003.
8Black,P,D.Wiliam. Assessment and classroom learning[J].Assessment in Education:Principles Policy & Practice,1998,(01):7-74.
9Boston,C. The concept of formative assessment[J].Practical Assessment Research & Evaluation,2002,(09):15-32.
10Bouton,L.F. Can NNS skill in interpreting implicature in American English be improved through explicit instruction? — A pilot study[J].Pragamtics and Language Learning Monograph Series,1994,(05):89-109.