1) Recently the problem of…has aroused people’s concern. 最近，…问题已引起人们的关注。
2) Recently the problem of…has been brought to public attention.最近，问题已引起公众的广泛注意。
3) Recently，the problem of…has been brought into focus. 最近，问题已成为关注的焦点。
4) Man is now facing a big problem--(pollution)，which is becoming more and more serious. 人们现在正面临一个很大的问题——污染，而且正日益严重。
5) Have you ever thought of? 你是否曾想过?
6) There will surely be no agreement among people as to the issue whether 就问题，人们肯定不会有一致的看法。
7) (Internet) has been playing an increasingly important role in our day-to-day life.It has brought us a lot of benefits but has created some serious problems as well.互联网已在我们的生活中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。
8) One of the serious problems facing us at present is目前，我们面临的严重问题之一是
9) There has been a heated argument about whether就是否而言，人们讨论热烈。
10) Perhaps we need to reconsider the traditional ways of doing it，或许，我们需要重新考虑传统的做事方法，
11) It is generally agreed thatis in deep trouble.人们普遍认为已陷入麻烦。
12) It is only during the last few years that man has become generally aware of the importance of
(sustainable development).仅仅是在过去的几年中，人们才普遍意识到可持续发展的重要性。
13) Everyone is aware of the horrible fact: 每个人都会注意到这样一个可怕的事实：
14) It’s difficult to imagine now how we did something without…现在很难设想我们是如何做某事而没有
15) Along with something goes with something.Inevitably, the two are deeply intertwined. 伴随是。不可避免的是，这二者是密切地交织在一起的.。
16) Over the past decade，many people have been troubled with the serious problem of在过去的几十年当中，许多人都被这一严重的问题所困扰。
17) One of the pressing problems confronting us today is今天我们正面临着许多棘手的问题，其中之一就是
18) One of the hottest topics many people talk about now is现在许多人讨论的热门话题之一是
19) Now people become increasingly aware of the necessity of现在人们日益意识到的必要性。
20) No issue is more important now than the one that…(which) is commonly held by most people.大多数人普遍认为，而现在没有什么比这更重要的问题了。
21) In spite of great progress made in the field of，butremain basically unchanged.虽然在领域已取得了巨大的进步，但仍然基本未变。
22) There will often spring up a heated discussion as to就而言，常常会引发热烈的讨论。
23) (Independence)has become a hot topic among people，especially among the young，and heated debates are right on their way.独立在人们中间，尤其是在年轻人中间，是个热门话题，热烈的讨论即将来临。
24) Nowadays，(overpopulation) has become a problem we have to face.如今，人口过剩已成为我们不得不面对的问题了
