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Vice President Joe Biden confirms the Justice Department will appeal a US court's decision to drop manslaughter charges against five former Blackwater guards. The contractors were accused of fatally shooting 17 people including women and children in

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Don't wanna give you promises that I can't keep I don't wanna waste your time A little after midnight just before I sleep There's nothing but you on my mind I bet you don't know how I'm feeling 'Cause we haven't seen each other in a while Maybe you,

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It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

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国家地理2008年

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Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来，根据地球的实验，火星大气中的任何甲烷分子将有望徘

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My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they

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