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31、This view is now being questioned by more and more people.

這一觀點正受到越來越多人的質疑。

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.

盡管許多人認為隨著經濟的高速發展，用自行車的人數會減少，自行車可能會消亡，然而，這幾年我收集的一些信息讓我相信自行車仍然會繼續在現代社會發揮極其重要的作用。

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.

環境學家指出：持續增加的污染不僅會導致像全球變暖這樣嚴重的問題，而且還將威脅到人類在這個星球的生存。

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

考慮到這些嚴重的狀況，我們比以往任何時候更需要像自行車這樣的環保型交通工具。

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

使用自行車有助于人們的身體健康，并極大地緩解了交通阻塞。

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

盡管自行車有許多明顯的優點，但是它也存在它的問題。

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

在速度和舒適度方面，自行車是無法和汽車、火車這樣的交通工具相比的。

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.

通過以上討論，我們可以得出結論：自行車的優點遠大于缺點，并且在現代社會它仍將發揮重要作用。

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.

當前在高校和研究機構對教育存在著大量爭論，其中一個問題就是教育是否是個終身學習的過程。

40、This issue has caused wide public concern.

這個問題已經引起了廣泛關注。