21. People equate success in life with the ability of operating computer.人们把会使用计算机与人生成功相提并论。

　　22. In the last decades， advances in medical technology have made it possible for people to live longer than in the past.在过去的几十年，先进的医疗技术已经使得人们比过去活的时间更长成为可能。

　　23. In fact， we have to admit the fact that the quality of life is as important as life itself.事实上，我们必须承认生命的质量和生命本身一样重要。

　　24. We should spare no effort to beautify our environment.我们应该不遗余力地美化我们的环境。

　　25. People believe that computer skills will enhance their job opportunities or promotion opportunities.人们相信拥有计算机技术可以获得更多工作或提升的机会。

　　26. The information I've collected over last few years leads me to believe that this knowledge may be less useful than most people think.从这几年我搜集的信息来看，这些知识并没有人们想象的那么有用。

　　27. Now， it is generally accepted that no college or university can educate its students by the time they graduation.现在，人们普遍认为没有一所大学能够在毕业时候教给学生所有的知识。

　　28. This is a matter of life and death——a matter no country can afford to ignore.这是一个关系到生死的问题，任何国家都不能忽视。

　　29. For my part， I agree with the latter opinion for the following reasons：我同意后者，有如下理由：30. Before giving my opinion， I think it is important to look at the arguments on both sides.在给出我的观点之前，我想看看双方的观点是重要的。