53. What dose the future hold if mankind persists in wasting natural resources ? While no one knows for sure , scientists do exhibit a degree of certainty when predicting that future generations will face a dramatically diffrernt world .
如果人類繼續浪費自然資源，未來將會有什么貯藏?沒有人知道明確的答案，但是，科學家在預測后代將面對一個迥然不同的世界時確實有一定的把握。
54. Reversing undesirable social trends will be far from an easy task and will require a dramatic change in attitudes . A keen awareness of right from wrong is essential for determining appropriate social behavior .
扭轉不好的社會趨勢遠非一件易事，看法需要有巨大的變化。對正誤的深刻認識是判定得體的社會行為所必需的。
55. We owe a debt of gratitude to the many individuals who dedicated their lives to making the world a better place . However , we must not rest on their accomplishments , but must instead work assiduously to record even greater achievements .
我們應該感謝許多為把世界變得更美好而奉獻一生的人。然而，我們不能依靠他們的成績，而必須努力工作，取得更輝煌的成就。
56. The two major challenges facing China today center on maintaining sustained economic growth and feeding its growing population of over 1.2 billion people with only seven percent of the world's cultivable land . Despite the monumental difficulties involved , Chinese people will undoubtedly exhibit their indefatigable resilience and achieve great success in both regards .
現在，中國面臨的兩大挑戰是保持持續的經濟增長和靠世界上僅僅百分之七的可耕地養活仍在增長的12億人口。盡管遇到的困難很大，中國人無疑會表現出不知疲倦的活力，在兩方面都取得巨大成功。
57. We do , in fact , have a long way to go to reach our final goal , but achieving some remains well within the realm of possibility .
事實上，我們達到最終的目標還有很長的路要走，但是，取得一些成績還是可能做到的。
58. The time is right for us to take full advantage of ample existing opportunities .
這正是我們充分利用大量現有機會的時候。
59. While it remains to be seen whether or not environmental deterioration can be controlled , the current prospects are far from encouraging . People around the world must act immediately to prevent the situation from deteriorating even further .
環境惡化是否能得到控制這個問題仍然沒有答案，但目前的前景一點兒也不樂觀。全世界的人必須立即行動，防止情況進一步惡化。
60. The methodology suggested may not guarantee ultimate success , but the eventual pay-off could well be worth the effort . Achieving even partial success will benefit mankind and contribute to creating a better world .
提出的方法不一定保證最終的成功，但最后的結果非常值得付出努力。即使只獲得部分成功也會使人類受益，
有利于創造一個更美好的世界。
61. Admittedly , ensuring sustainable development will require a certain level of sacrifice and arduous efforts on the part of all people . Nonetheless , the accrued returns will both strengthen the nation and ensure a better life for all Chinese citizens .
誠然，確保持續的發展需要人們做出一定程度的犧牲和辛勤努力。但是，積累的成果不僅能使國家更強大，而且能保證中國公民過上更美好的生活。
62. The rapid emergence of homes for senior citizens represents a sharp divergence from the traditional Chinese practice of maintaining the nuclear family at all costs .
老人療養院的迅速出現體現了與中國傳統的不惜一切代價維持核心家庭的做法的顯著分歧。
63. Participating in interactive experiences beneficial to all is something that no one should miss . The valuable lessons learned therefrom should not be arbitrarily dismissed , but should instead be treasured .
參加對所有人都有益的互動式體驗是任何一個人都不應該錯過的。從中獲得的寶貴經驗不應該任意拋棄，而應該倍加珍惜。
64. Abortion advocates may be correct in their assertion that the practice is a necessary tool of population control , but they seem to neglect the preciousness of human life in its earliest stages .
人工流產的提倡者認為它是控制人口的一種必要手段。他們也許是對的，但他們可能忽略了人的生命在最初階段的寶貴。
65. Some people assert that nothing is impossible . Such people should get a grip on reality and understand it's impossible to create another Universe . In more down-to-earth terms , it's impossible to know with any certainty whether you will live or die tomorrow .
一些人斷言沒有什么事是不可能的。這些人應該把握現實，知道再造一個宇宙是不可能的。更現實的說法是不可能明確知道明天你會活著還是會死。
66. Two major factors contributed to devastating summer flooding along the Yangtze River and its tributaries . First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riverbed in the main channel .
兩個主要因素導致了夏季長江及其支流的特大洪水。第一，過度砍伐引起的河流上游的侵蝕，第二，嚴重的泥沙淤積抬高了主干道的河床。
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