166.Pollution poses a great threat to our existence.

　　污染對我們的生存造成巨大威脅。

　　167.We should do our best to achieve our goal in life.

　　我們應盡全力去達成我們的人生目標。

　　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.

　　家庭人口多好還是家庭人口少好是一個非常通俗的主題，不僅是城里人，而且農民都經(jīng)常討論這個問題。

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

　　眾所周知，假冒偽劣商品損害了消費者的利益。

　　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.

　　現(xiàn)在，愈來愈多的人認識到法制教育的重要性。為了維護社會治安 ，我們每人都應該接受法制教育。

　　171.From what I have mentioned above, we can see clearly that violence on TV has great influence on youngsters'' behavior.

　　從上面我所提到的，我們可以清楚地看到，電視暴力對青少年的影響是極其深遠的。

　　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.

　　人民生活狀況的改善原因有兩點。首先，我們一直在貫徹執(zhí)行改革開放政策。其次，國民經(jīng)濟正在迅速發(fā)展，而且出生率已經(jīng)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.

　　我對解決這個問題的建議如下：首先，迫在眉睫的是建立自然保護區(qū)。其次，有些瀕臨滅絕的珍稀野生動物應該收捕、人工喂養(yǎng)并繁殖。比較后，對于捕獵珍稀野生動物的人必須嚴懲。

　　174.People differ in their attitudes towards failure.Faced with it, some of them can stand up to it, draw useful lessons from it and try hard to fulfill what they are determined to do.Others, however, lose heart and give in.

　　人們對失敗持有不同的態(tài)度。面對失敗，有人能夠經(jīng)得起考驗，從失敗中汲取教訓，并努力去完成他們下定決心要做的事情。然而，另一些人卻喪失信心并退卻了。

　　175.It is desirable to build more hospitals, shopping centers, recreation centers, cinemas and other public facilities to meet the growing needs of people.

　　人們希望建立更多的醫(yī)院、購物中心、娛樂中心、電影院和其他公用設施來滿足人們日益增長的需求。