When it comes to education, the majority of people believe that education is a lifetime study.

翻译：

说到教育，大部分人认为其是一个终生的学习。

No one can deny the fact that a person's education is the most important aspect of his life.

翻译：

没有人能否认：教育是人生最重要的一方面。

More and more people have realized that life-long education is a must in today ’s society, without it,will fall behind the development of the times.

翻译：

越来越多的人已经意识到终生教育在今天的社会中很重要， 没有终生教育，一个人将会被时代淘汰。

There is no denying the fact that air pollution is an extremely serious problem，the city authorities should take strong measures to deal with it.

翻译：

无可否认，空气污染是一个极其严重的问题：城市当局应该采取有力措施来解决它。

We should spare no effort to beautify our environment.

翻译：

我们应该不遗余力地美化我们的环境。

Environmental issue has been a common concern for the whole world, in recent years, we have witnessed global warming, desertification, sandstorm and extinction of rare species around the world.

翻译：

环境问题已经引起了全世界的关注，在近几年，我们见证了全球气候变暖、沙漠化、 沙尘暴及珍稀物种灭绝。

In view of the seriousness of this problem, effective measures should be taken before things get worse.

翻译：

考虑到问题的严重性，在事态进一步恶化之前，必须采取有效的措施。

Environmental experts point out that increasing pollution not only causes serious problems such as global warming but also could threaten to end human life.

翻译：

环境学家指出：持续增加的污染不仅会导致像全球变暖这样严重的问题， 而且还将威胁到人类在这个星球的生存。