1Barcroft, Joe. Effects of Synonym Generation on Incidental and Intentional L2 Vocabulary Learning during Reading [J]. TESOL Quarterly: A Journal for Teachers of English to Speakers of Other Languages and of Standard English as a Second Dialect, 2009(43).
2Crovitz, Darren & Miller, Jessica A. Register and Charge: Using Synonym Maps to Explore Connotation[J]. English Journal, 2008(97).
3Panagiotidou, Maria-Eirini. An Introduction to the Semantics of Intertextuality[J]. Journal of Litemy Semantics, 2012(41).
7Femando, C. 1996. Idioms and Idiomaticity[M], Oxford: Oxford University Press.
8Firth, J. R. 1957. Papers in linguistics 1934-1951[C]. London: Oxford University Press.
9Granger, S. 1998. The Computer Learner Corpus: a versatile new source of data for SLA research[A], in S. Granger (Ed), Learner English on Computer (3-18)[C]. London: Longman.
10Hanks, P. 1988. Definitions and Explanations[A]. In J. Sinclair (Ed). looking Up (116-136)[C] .London: Collins COBUILD.
