172. 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
.人民生活狀況的改善原因有兩點。首先，我們一直在貫徹執行改革開放政策。其次，國民經濟正在迅速發展，而且出生率已經得到控制。
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。其次，有些瀕臨滅絕的珍稀野生動物應該收捕、人工餵養並繁殖。最後， 對於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度。面對失敗，有人能夠經得起考驗，從失敗中汲取教訓，並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並退 卻了。
