作文中常用句套: 下文中出现的 A,B, “.”(某事物), sb( somebody), 要在写作中要根据上下文进行适当替换. 开头: When it comes to ., some think . There is a public debate today that . A is a commen way of ., but is it a wise one? Recentaly the problem has been brought into focus. 提出观点: Now there is a growing awareness that. It is time we explore the truth of . Nowhere in history has the issue been more visible. 进一步提出观点: . but that is only part of the history. Another equally important a