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The story of how we have systematically observed the heavens begins in the days before recorded time. For primitive man, the sun reigned supreme. Its recurring cycles of light and darkness formed the
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People gathered across the country for a historic event today, a total eclipse of the sun in a 70 mile- wide band, crossing from the Pacific to the Atlantic coasts. With special eyeglasses or homemade boxes, tens of millions looked to the sky to witn
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Listen this way听力教程第三册-3
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One of the best celestial events of the year is set to peak this weekend. It will be the largest super moon of the year. The super moon is actually the result of two phenomena occurring at the same time. The moons orbit around the earth is not perfec
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Billy Crystal paid tribute to Robin Williams, his longtime friend and fellow comedian, at the Emmy Awards on Monday - and no one could have said it better. 比利?克里斯托在周一晚举行的艾美奖颁奖典礼上致敬他永远的朋友和伟大
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致敬最帅的逆行者:平安回家 珍惜当下 这两天，因为天津塘沽滨海新区以危险品仓库爆炸，牵动了千千万万人的心。截至13日晚21时，事故已造成50人死亡，其中消防人员17人；住院治疗701人，其
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