61.It is imperative that something urgent be done to combat the widespread use of illegal drugs among teenagers。

　　62.It is upsetting to find people who behave differently from us. We may, at first, assume that something is wrong with them。

　　63.It is highly necessary for our government to stop the corruption of government officials。

　　64.It is important (vital) for everyone to participate in physical exercises, for they will do good not only to our body but also to our mind and personality。

　　65.It is currently difficult for a university student to find an ideal job upon his graduation, especially those majoring in fundamental courses such as history and mathematics。

　　66.With the rapid growth of economy, the living standards of the Chinese people have greatly improved. Many of them can now afford to buy houses and cars。

　　67.With the growing number of college graduates being turned out each year, the situation in the job market is getting tighter and tighter。

　　68.With the improvement of the living standards of Chinese people, more and more of them can afford to go traveling, and some even choose to go abroad。

　　69.As our national economy develops fast, an increasing number of people have come to realize that the shortage of resources will pose a threat to the future development of our country。

　　70.It wasn’t until a year later that I realized that the person she really loved was my roommate John。

　　61。采取緊急措施抗擊青少年中違禁藥品的廣泛使用是很有必要的。

　　62。發現有人行為與己不同是令人惱火的，一開始我們可能認為他們有問題。

　　63。我們的政府很有必要阻止政府官員的貪腐。

　　64。每個人都得參加體育運動，這很重要，因為運動不僅對身體，而且對心理和性格都有好處。

　　65。目前，大學生畢業時找份理想的工作很難，尤其是那些讀像歷史和數學等基礎學科的學生。

　　66。隨著經濟的迅猛發展，中國人民的生活水平得到了極大的改善，他們中許多人買得起房子和車子了。

　　67。隨著每年大學畢業生人數得增長，就業市場的形勢變得越來越嚴峻。

　　68。隨著中國人民生活水平的提高，越來越多的中國人能夠出門旅游了，有的甚至選擇去國外旅游。

　　69。隨著咱們國家經濟的飛速發展，越來越多的人意識到，資源的短缺將對我們國家的未來發展構成嚴重的威脅。

　　70。直到一年后，我才意識到她真正愛的人是我的室友John。