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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In America theres a feeling of Christmas. But thats not the only winter holiday going on. Jews are lighting Hanukkah candles, Muslims recently feasted
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J ack splashed into the blue sunlit sea. He sank tothe bottom and then bobbed back up. He coughed andpushed his hair out of his eyes. Annie was treading water nearby. Hey! she called. Hey! Jack sputtered. I was wrong! You were right! Annie said. Shes
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LESSoN TEN TEXT A Scientific Attitudes Science had its beginning when man started asking questions about his environment. He wondered where the sun went at night and why the sky was blue. He questione
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World military expenditure has fallen for the first time since 1998, amounting to 1.75 trillion US dollars. In real terms spending is down half a percent from 2011. These latest figures on spending have been released by Stockholm International Peace
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经典歌曲-莱因石牛仔RHINESTONE COWBOY--GLEN i've been walking these streets so long singing the same old song i know every crack in these dirty sidewalks of broadway where hustle's the name of game and nice guys get washed away like the snow
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expectancy of value 预期值 expenditure 支出；开支；费用 expenditure approach 支出计算法；开支计算法 expenditure baseline 开支基线 expenditure commitment 开支承担 expendit
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