四级作文万能模板一、 引出 开头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 ofhas been brought into focus.=Nowadays there is a growing concern over最近问题引起 了关 注3 Nowadaysoverpopulationhas 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 hascreated some serious problems as well.互
