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This is the VOA Special English Development Report. A few degrees can make a big difference when it comes to food storage. Foods can go bad if they get too warm. But for many of the world's poor, finding a good way to keep food cool is difficult. Re

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NPR 2010-08-17

Flood survivors blocking a highway in southern Sindh province in Pakistan outrage they're not seeing the humanitarian aid promised them. The BBC's Mike Wooldridge says an estimated 20 million people are affected with waterborne diseases on the rise.

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463 、 自感量 self-inductance 464 、 自感应 self-induction 465 、 色彩；颜色 colour 466 、 色调 tone 467 、 色环 colourwheel 468 、 行星齿轮；周转齿轮 epicyclicgear 469 、

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CNN 2009-12-07

Right here is where you can find out why people get so riled up about the issue of climate change. This is CNN Student News. I'm your anchor Carl Azuz, let's go. Forty six and cloudy, that's the forecast for Copenhagen, Denmark as a Climate Summit br

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Argument 47 The nation of Claria covers a vast physical area. But despite wide geographic differences, many citizens are experiencing rising costs of electricity. A recent study of household electric costs in Claria found that families who cooled the

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Many countries have experienced record-setting high temperatures this year that many attribute to global warming. While governments have spent billions of dollars to study climate change and ways to counteract it, scientists say there are inexpensive

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A: And therefore, global warming is the greatest de- ception of the early 21st century. Questions? B: Uh yeah. In the lecture you said there s more evidence in the scientific record supporting global cooling? A: Well, yes, essentially, the historical