ThefourthclassThefirstperiodthesecondperiodTheme/Rheme(主位、述位)TheconceptofThemeRhemeAsweknow,intheprocessoftextproduction,theproducerscanonlychooseonesinglelexicalitemtoputitintothesentenceandthenorganizetheserespectivesentencesintoatext.Actually,whatthetheoryofthemeandrhemedescribesisjustaspeakerorwriterchoicemadeindependentlyofthepropositional(陈述的,主张的)contentofthemessage.Inothe...