精选优质文档-倾情为你奉上2018作文万能句型：开头 1：It is well-known to us that(我们都知道)2：Recently the problem of has been brought into focus.(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)4：Internet has been playing an increasingly important role in our day-to-day life. It has brought a lot of benefits but has created some serious problems as well.(互联网已在我们的生活扮演着越来越重要的角色，它给我们带来了许多好处但也产生了一些严重的问题)5：With the rapid development of science and t
