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Way up north in the Canadian Arctic, seabirds are picking up dangerous chemicals in the ocean and delivering them to ponds near where the birds live.
出自-2016年12月听力原文
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Canadian scientists have found a worrisome new example of the power that birds have to spread stuff around.
出自-2016年12月听力原文
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According to Harry Vallentine, a Canadian engineer who is researching modern steam technology, a special tank measuring 2 by 10 metres could store over 750 kilowatt hours of energy as high pressure steam, enough to pull a two-cart train for an hour or so.
2018年12月六级真题(第二套)听力 Section C
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But now a systematic review and analysis of studies by Canadian researchers found that not only does pasta not cause weight gain, but three meals a week can help people drop more than half a kilogram over four months.
2019年6月六级真题(第一套)阅读 Section A