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16、There is a growing worldwide awareness of the need for strengthened environmental protection.

世界上越來越多的人認識到加強環境保護的必要性。

17、There has been a dramatic increase in the spread of HIV/AIDS in recent years，with a new study projecting that the dreaded disease will affect over 30 million people worldwide by the year 2005.

近年來，艾滋病蔓延的幅度進一步擴大，一項新的研究預測，到2005年，世界上有超過三千萬人將感染這一可怕的疾病。

18、Working with the disabled cannot help but leave one impressed with their indefatigable desire.

與殘疾人一起工作使一個人不得不對他們堅持不懈的渴望印象深刻。

19、Perhaps no issues are more controversial than euthanasia and abortion，both of which involve taking the life of a human being.

也許沒有問題比安樂死和人工流產更有爭議性，它們都涉及結束一個人的生命。

20、One of the pressing problema facing our nation(China)today is overcoming disparities in urban and rural income levels.

我們國家(中國)如今面臨的緊迫問題之一是克服城鄉收入水平之間的差距。