4Lewis,S.C.,Zamith,R.,Hermida,A.Content Analysis in an Era of Big Data:A Hybrid Approach to Computational and Manual Methods.Journal of Broadcasting & Electronic Media,2013(1):34-52.
5Hasan R.The Nursery Tale As a Genre.Nottingham:Nottingham Linguistic Circula,1984.
6Martin,J.R.,David Rose.Working with discourse:meaning beyond the clause (2nd ed).London/New York:Continuum,2004.
7hite,P.R.R.Telling media tales:the news story as rhetoric,Doctoral dissertation,Sydney University.Sydney,1998:120-121.
8Martin,J.R.,White,P.R.R.Language of evaluation:appraisal in english,London/New York:Palgrave Macmillan,2007:54.