19世纪美国社会的变迁(2)
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NBC北京奥运开幕式片尾曲:David Cook - The time of my life
'Artist:David CookSong:The time of my life I've been waiting for my dreamsTo turn into somethingI could believe inAnd looking for thatMagic rainbowOn the horizonI couldn't see itUntil I ...'
19世纪美国社会的变迁(3)
19世纪的美国就如我们现在所讲的第三世界国家,它是如何发展成第一强国的呢?With little formal education, young Lincoln left the farm, studied law books on his own and became a lawyer. Howe's book fi...
美国的北部边界(2)
美国的北部紧邻加拿大,被称为“世界上最长的不设防国界”New technology is also helping safeguard the border. In this area near Seattle, a network of cameras, seismic motion detectors and banks of c...
美首位女性经济学大奖获得者(2)
哈佛大学的苏珊获得今年的美国经济学最高奖项克拉克奖,并且是历史上首位女性获奖者One of the real-world situations that she has studied is government auctions. Auctions can be used to sell something ...