166. Pollution poses a great threat to our existence.
污染对我们的生存造成巨大威胁。
167. We should do our best to achieve our goal in life.
我们应尽全力去达成我们的人生目标。
168. Weather a large family is a good thing or not is a very popular topic, which is often talked about not only by city residents but by farmers as well.
家庭人口多好还是家庭人口少好是一个非常通俗的主题，不仅是城里人，而且农民都经常讨论这个问题。
169. 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。
170. Today an increasing number of people have realized that law education is of great importance. In order to keep law and order, every one of us is supposed to get a law education.
现在，愈来愈多的人认识到法制教育的重要性。为了维护社会治安 ，我们每人都应该接受法制教育。
171. From what I have mentioned above, we can see clearly that violence on TV has great influence on youngsters` behavior.
从上面我所提到的，我们可以清楚地看到，电视暴力对青少年的影响是极其深远的。
172. There are two reasons for the improvement in people`s 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。
173. My suggestions to deal with the problem are as follows. To begin with, it is urgent to create nature reserves. Secondly, certain rare wild animals that are going to be extinct should be collected, fed and reproduced artificially. Finally, those who hunter them must be punished severely.
我对解决这个问题的建议如下：首先，迫在眉睫的是建立自然保护区。其次，有些濒临灭绝的珍稀野生动物应该收捕、人工喂养并繁殖。最后，对于捕猎珍稀野生动物的人必须严惩。