单词：doubling time of population
单词：doubling time of population 相关文章
America's population is becoming older and increasingly diverse - made up of people who are different from each other. Nowhere are those differences more apparent than in Houston, Texas. The city has seen an increase in the number of minority communi
2017年VOA慢速英语(七)月
Did you hear the news? his wife asked. They're doubling the price of a Powerball ticket next year. It's going to be $2. He said, Two dollars for one ticket? That's ridiculous! One dollar is too much already. We never win anything! Correcting him, she
英文短篇故事（纽约）
Report: Africa Not Prepared for Aging Population A new report says African governments are ill prepared to handle the growing number of people over age 65. The African Development Bank is raising concerns over the lack of health insurance and pension
VOA标准英语2011年(十一月)
显然，老家的亲戚不会用英语问你这个问题，你也不必用英文答（如果你有特别牛的亲戚，请无视这句）。本篇仅供娱乐咱就是想看看老外在面对这个问题时都是怎么答的。 亲友同学最爱问的
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科学家估计，如果不减少二氧化碳排放，2100年地球平均气温将至少上升4摄氏度，到2200年会上升8摄氏度，无疑是地球灾难性的噩梦。 此前有科学家用气候模型分析称，全球气温将受二氧化碳排
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显然，老家的亲戚不会用英语问你这个问题，你也不必用英文答（如果你有特别牛的亲戚，请无视这句）。所以，本篇仅供娱乐咱们就是想看看老外在面对这个问题时都是怎么答的。 亲友同学
英语口语