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By Gilbert da Costa Abuja 30 December 2006 Nigeria has confirmed its status as the most populous country on the African continent, announcing its population has exceeded 140 million. Gilbert da Costa reports the announcement sought to avoid some of
2006年VOA标准英语（十二月）
Do Americans really go through careers like they do cars or refrigerators? As workers take in the latest round of monthly unemployment data over Labor Day weekend, Americans are focused on volatility in the job market. Much of what they hear points t
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By Gilbert da Costa Abuja 16 November 2006 Nigeria's National Population Commission is set to announce results of last March's national census next month. Censuses are controversial in Nigeria and the expected announcement comes at a politically sen
2006年VOA标准英语（十一月)
How about the next question? This is asking about what the average age is, 那么下一个问题呢？这是问关于年龄的中位数， so the age at which half the population are younger and half the population are older. 也就是该地区大于和
TED演讲科学篇
BEIJING, Aug. 9 (Xinhua) -- China's average life expectancy rose to 74.83 years as of the end of 2010, according to the National Bureau of Statistics (NBS). The NBS used data from the sixth national census to calculate the figure, which is 3.43 years
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Internet use 互联网的使用 A tangled web 错综复杂的网络 Who goes online, and where 谁在网上，在哪里? THE internet looks like an adman's dream. Counting how many times an advert on a bus shelter has been viewed is impossible; count
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