2Dudley-Evans, T.&St John M.J. Developments in English for Specific Purposes-A multi-disciplinary approach [M]. Cambridge: Cambridge University Press, 1998: 14-17.
3Hutchinson, T.&Waters, A.. English for Specific Purposes. A Learning-centered Approach. Cambridge: Cambridge University Press. 1987: 157-158.
4Defining English for specific purposes and the role of ESP practi- tioner [J]. Laurence Anthony, http://www.antlab.sci.waseda.ac.jp/ab- stracts/Aizukiyo97.pdf.
5The Role of the ESP Teacher []] . Halina Sierocka, 2008 www. jezykangielski.org/theroleoftheespteacher.pd.