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

　　2、It is commonly thought that our society had dramatically changed by modern science and technology, and human had made extraordinary progress in knowledge and technology over the recent decades.

　　人们普遍认为我们的现代科技使我们的社会发生了巨大的变化，近几十年人类在科技方面取得了惊人的进步。

　　3、For people who want to adopt a healthy and meaningful life style, it is important to find time to learn certain new knowledge. Just as an old saying goes: it is never too late to learn.

　　对于那些想过上健康而有意义的生活的人们来说，找时间学习一些新知识是很重要的，正如那句老话：活到老，学到老。

　　4、By taking a major-related part-job, students can not only improve their academic studies, but gain much experience, experience they will never be able to get from the textbooks.

　　通过做一份和专业相关的工作，学生不仅能够提高他们的专业能力，而且能获得从课本上得不到的经验。

　　5、These days, people in growing numbers are beginning to complain that work is more stressful and less leisurely than in past. Many experts point out that, along with the development of modern society, it is an inevitable result and there is no way to avoid it.

　　现在，越来越多的人们开始抱怨工作比以前更有压力。许多专家指出这是现代社会发展必然的结果，无法避免。

　　6、It must be noted that improvement in agriculture seems to not be able to catch up with the increase in population of rural areas and there are millions of peasants who still live a miserable life and have to face the dangers of exposure and starvation.

　　必须指出，农业的发展似乎赶不上农村人口的增加，并且仍有成千上万的农民过着缺衣挨饿的贫寒生活。

　　7、Although rural emigrants contribute greatly to the economic growth of the cities, they may inevitably bring about many negative impacts.

　　尽管民工对城市的经济发展做出了巨大贡献，然而他们也不可避免的带来了一些负面影响。

　　8、The progress of the society is based on harmony.

　　社会的进步是以和谐为基础的。

　　9、As is known to all, fake and inferior commodities harm the interests of consumers.

　　众所周知，假冒伪劣商品损害了消费者的利益。

　　10、There are two reasons for the improvement in peoples living conditions. in the first place, we have been carrying out the reform and opening-up policy. secondly, there has been a rapid expansion of our national economy. furthermore, the birth rate has been put under control.

　　人民生活状况的改善原因有两点。首先，我们一直在贯彻执行改革开放政策。其次，国民经济正在迅速发展，而且出生率已经得到控制。