1.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)
2.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)
3.With the rapid development of science and technology，more and more people
believe that……(随着科技的迅速发展，越来越多的人认为……)
4.It is a common belief that……==It is commonly believed
that……(人们一般认为……)
5.A lot of people seem to think that……(很多人似乎认为……) 8:It is universally
acknowledged that + 句子(全世界都知道...)
