精选优质文档-倾情为你奉上(问题解决:):第一段:Almost no one in China can have failed to notice the fact that(名词 )has/have become a grave problem with which we are confronted currently.(28) 第二段:Diverse contributing factors can account for this phenomenon,but the following might be the critical/crucial ones.两点理由: For one thing,A good case in point is that +例子For another,(三点理由:First and foremost,In addition, furthermore, moreoverLast but not least,)第三段: 解决问题:In view of the seriousness (严重性)