大学英语作文引出开头的亮点句型

 1：It is well-known to us that……（我们都知道……）==As far as my knowledge is concerned, …（ 就我所知…）

 2：Recently the problem of…… has been brought into focus. ==Nowadays there is a growing concern over ……（最近……问题引起了关注）

 3：Nowadays（overpopulation）has become a problem we have to face.（现今，人口过剩已成为我们不得不面对的问题）