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Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

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By Peter Fedynsky Kyiv 30 September 2007 Ukrainians cast their ballots in a special parliamentary election, in which domestic and international observers sought to assure an honest vote.Opposition leader Yulia Tymoshenko says she will ask President V

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Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. Support for NPR Podcasts comes from Visa, offering the Visa signature card, featuring concierge services for travel, din

英文短篇故事（纽约）147 Turn the Temperature Up

The refrigerator temperature is too cold, she said. The vegetables are freezing. Can you turn the temperature up? He said, Sure. It's simple. Let me show you how. Then you can do it yourself. She said, Don't show me how. Just do it. You're so lazy. Y

考研背诵50篇——50. Cells and Temperature

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow range around 37C; a departure of a few

SSS 2009-03-09

This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. Most of us know we save energy when we put our idle computers to sleep. But what about the servers that run data centers? Every cell phone call, AT

英语短文：Cells and Temperature

英语短文：Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

Cold front to drop temperatures in north China

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VOA常速英语2008年-Potential End to Writers' Strike Buoys Hopes fo

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2007年VOA标准英语-UN Warns of Potential Locust Invasion in Flood-

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英语歌曲:布鲁斯 Tech N9NE - Check Yo Temperature

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学个词 Learn a Word-VOA英语教学 2531 coordinate

今天我们要学的词是 coordinate. Coordinate 动词，协调。Islamic nations pledged to establish a policy center in Istanbul to coordinate anti-terrorism efforts. 伊斯兰国家保证要在伊斯坦布尔建议一个政策中心，协同打击