精选优质文档-倾情为你奉上写作启、承、转、合启-启动观点 开头段Nowadays, a heated debate is springing up as toWith the development of 承-内容承接 拓展段首先, 第一: firstly/ above all/ to begin with其次，第二:secondly/ besides/ in addition/ whats more/最后，第三: at last/ the last but not the least转-语义转折 拓展段转折：however/ on the contrary/ by contrast/instead合-总结概括 结尾段 结论：in short/ in brief/ in a word/ in conclusion/ to sum up/ on the basis of the analysis above, we can draw a conclusion that1）起始
