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：持续增加的污染不仅会导致像全球变暖这样严重的问题，而且还将威胁到人类在这个星球的生存。

34. In view of such serious situation，environmental tools of transportation like bicycle are more important than any time before.

考虑到这些严重的状况，我们比以往任何时候更需要像自行车这样的环保型交通工具。

35. Using bicycle contributes greatly to people's physical fitness as well as easing traffic jams.

使用自行车有助于人们的身体健康，并极大地缓解了交通阻塞。

36. Despite many obvious advantages of bicycle，it is not without its problem.

尽管自行车有许多明显的优点，但是它也存在它的问题。

37. Bicycle can't be compared with other means of transportation like car and train for speed and comfort.

在速度和舒适度方面，自行车是无法和汽车、火车这样的交通工具相比的。

38. From what has been discussed above，we may safely draw the conclusion that advantages of bicycle far outweigh its disadvantages and it will still play essential roles in modern society.

通过以上讨论，我们可以得出结论：自行车的优点远大于缺点，并且在现代社会它仍将发挥重要作用。

39. There is a general discussion these days over education in many colleges and institutes. One of the questions under debate is whether education is a lifetime study.

当前在高校和研究机构对教育存在着大量争论，其中一个问题就是教育是否是个终身学习的过程。

40. This issue has caused wide public concern

41. It must be noted that learning must be done by a person himself.

必须指出学习只能靠自己。

42. A large number of people tend to live under the illusion that they had completed their education when they finished their schooling. Obviously，they seem to fail to take into account the basic fact that a person's education is a most important aspect of his life.

许多人存在这样的误解，认为离开学校就意味着结束了他们的教育。显然，他们忽视了教育是人生重要部分这一基本事实。

43. As for me，I'm in favor of the opinion that education is not complete with graduation，for the following reasons：

就我而言，我同意教育不应该随着毕业而结束的观点，有以下原因：

44. It is commonly accepted that no college or university can educate its students by the time they graduate.

人们普遍认为高校是不可能在毕业的时候教会他们的学生所有知识的。

45. Even the best possible graduate needs to continue learning before she or he becomes an educated person.

即使最优秀的毕业生，要想成为一个博学的人也要不断地学习。

46. It is commonly thought that our society had dramatically changed by modern science and technology，and human had made extraordinary progress in knowledge and technology over the recent decades.

人们普遍认为我们的现代科技使我们的社会发生了巨大的变化，近几十年人类在科技方面取得了惊人的进步。

47. Now people in growing numbers are beginning to believe that learning new skills and knowledge contributes directly to enhancing their job opportunities or promotion opportunities.

现在越来越多的人开始相信学习新的技术和知识能直接帮助他们获得工作就会或提升的机会。

48. An investigation shows that many older people express a strong desire to continue studying in university or college.

一项调查显示许多老人都有到大学继续学习的愿望。