开篇
1) Many nations have been faced with the problem of ...
2) Recently the problem has been brought into focus.
3) Recently the phenomenon has become a heated topic.
4) Recently the issue has aroused great concern among ...
5) Nowadays there is a growing concern over ...
6) Never in our history has the idea that ... been so popular.
7) Faced with ..., quite a few people argue that ...
8) According to a recent survey, ...
大学英语六级作文常用句型_2018年大学英语六级作文常用句型：开篇
四六级考试网权威发布2016年大学英语六级作文常用句型：开篇，更多2016年大学英语六级作文常用句型相关信息请访问大学英语四六级考试网。