摘要：At present,with the steady development of the global economy,more and more countries begin to pay attention to the impact of ecological environment on economic development and human society,so the ecological environment has become a global issue that cannot be ignored in today’s ***,from the perspective of the ecological philosophy of Diversity&Harmony as well as Interaction&Co-existence,this paper will conduct ecological discourse analysis on the Energy in China’s New Era based on the transitivity system of systemic-functional grammar,and use the Corpus analysis software UAM Corpus Tool 3.3x to label and make statistics on the transitivity system,aiming to explore the distribution characteristics of the transitivity system in this white *** the transitivity analysis of the white paper,this study helps readers to have a deeper understanding of the positive significance contained in the white *** a certain extent,it enables readers at home and abroad to understand China’s stance on energy issues and the positive image of China in energy *** also awaken readers’awareness of environmental protection and acquire good habits of resource conservation to be in harmony between human and nature for sustainable development.

摘要：From the perspective of the transitivity theory,this dissertation aims to analyze feminist ideas in Doris Lessing' s novel A Woman on a *** analysis triumphantly proves that the transitivity system in SFG is an effective method in understand ing author' s feminist *** is strongly hoped that this attempt will provide some valuable experience for better appreciating of other English novels.

摘要：Foreground-background and transitivity are very important in discourse linguistics,the features of which vary from types of *** shiwu expository discourse has its own semantic features about foreground-background;and this type of discourse is characterized by low transitivity,especially in foreground.