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。
31. This view is now being questioned by more and more people.
这一观点正受到越来越多人的质疑。
32. Although many people claim that，along with the rapidly economic development，the number of people who use bicycle are decreasing and bicycle is bound to die out. The information I've collected over the recent years leads me to believe that bicycle will continue to play extremely important roles in modern society.
尽管许多人认为随着经济的高速发展，用自行车的人数会减少，自行车可能会消亡， 然而，这几年我收集的一些信息让我相信自行车仍然会继续在现代社会发挥极其重要的作用。
33. Environmental experts point out that increasing pollution not only causes serious problems such as global warming but also could threaten to end human life on our planet.
环境学家指出...