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Earlier this year, British explorer Hadow and his team trekked for three months across the frozen Arctic Ocean, taking measurements and recording observations about the ice.
出自-2016年6月听力原文
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The research stations on King George lsland offer a glimpse into the long game on this ice-blanketed continent as nations assert themselves, eroding the sway long held by countries like the United States, Britain, Australia and New Zealand.
出自-2016年12月阅读原文
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It is building its second ice-breaking ship and setting up research drilling operations on an ice dome 13,422 feet above sea level that is one of the planet's coldest places.
出自-2016年12月阅读原文
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Elsewhere in Antarctica, Russian researchers boast of their recent discovery of a freshwater reserve the size of Lake Ontario after drilling through miles of solid ice.
出自-2016年12月阅读原文
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Earlier this year, British explorer Hadow and his team trekked for three months across the frozen Arctic Ocean, taking measurements and recording observations about the ice.
2016年6月六级真题（第一套）听力 Section C
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Indeed, sea ice cover in the Arctic is melting faster than expected.
2018年12月六级真题（第二套）听力 Section B
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king penguins are the second-largest type of penguin and only breed on specific isolated islands in the Southern Ocean where there is no ice cover and easy access to the sea.
2019年12月六级真题（第三套）阅读 Section C
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Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.
2016年6月六级真题（第一套）听力 Section C
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The Arctic sea ice holds a central position in the Earth's climate system and it's deteriorating faster than expected.
2016年6月六级真题（第一套）听力 Section C
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The more you lose, the more open water is created, the more warming goes on in that open water during the summer, the less ice forms in the winter, the more melt there is the following summer.
2016年6月六级真题（第一套）听力 Section C
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This is troubling as climbing Arctic temperatures combined with rapid sea ice loss are creating a new type of climate feedback loop, which could accelerate Arctic warming.
2018年12月六级真题（第二套）听力 Section B
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We actually found there wasn't any multi-year ice at all.
2016年6月六级真题（第一套）听力 Section C
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Well, we'd been led to believe that we would encounter a good proportion of this older, thicker, technically multi-year ice that's been around for a few years and just gets thicker and thicker.
2016年6月六级真题（第一套）听力 Section C
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We're looking at roughly 80 percent loss of ice cover on the Arctic Ocean in 10 years, roughly 10 years, and 100 percent loss in nearly 20 years.
2016年6月六级真题（第一套）听力 Section C
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without those masses of cooling sea ice, warm air brought to the Arctic can penetrate further inland than it ever did before.
2018年12月六级真题（第二套）听力 Section B