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Parents, try to get enough sleep to role model good habits to children. Bessesen notes that some medical school programs require student doctors to sl 阅读全文
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Giant rocks from space are falling from the sky more than they used to, but don't worry. For the past 290 million years, large asteroids have been cra 阅读全文
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Betty was offended because she felt that her friends had ignored her purposefully(deliberately) at the party. There has been enough playing around, so 阅读全文
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The British parliament on Tuesday rejected overwhelmingly the Brexit deal, further complicating the country's historic exit from the European Union. Y 阅读全文
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The Norwegian Authority for Investigation of Economic and Environmental Crime (Okokrim) said the move would have led Tidal to have paid disproportiona 阅读全文
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China will launch the Chang'e-5 probe by the end of this year to bring moon samples back to Earth, a senior official of the China National Space Admin 阅读全文
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Betty was offended because she felt that her friends had ignored her purposefully(deliberately) at the party. There has been enough playing around, so 阅读全文
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On earth, most of the methane in the atmosphere has been belched by living organisms, so finding the gas on Mars would be happy news for seekers after 阅读全文