19世紀(jì)美國(guó)社會(huì)的變遷(2)
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19世紀(jì)美國(guó)社會(huì)的變遷(1)
19世紀(jì)的美國(guó)就如我們現(xiàn)在所講的第三世界國(guó)家,它是如何發(fā)展成第一強(qiáng)國(guó)的呢?The book opens in 1815, and Howe says the United States was what we would call today a Third World country. "That is most p...
美國(guó)的北部邊界(2)
美國(guó)的北部緊鄰加拿大,被稱為“世界上最長(zhǎng)的不設(shè)防國(guó)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...
美利堅(jiān)求學(xué)記之-酒(2)
美國(guó)合法的飲酒年齡是21歲,而作為美國(guó)的大學(xué)生還是要遵守一系列的飲酒規(guī)定At the University of Oklahoma, new policies went into effect after a 19-year-old student died in 2004. He had been drinking h...
美國(guó)的科技下鄉(xiāng)(1)
總是說(shuō)要帶科技下鄉(xiāng),把科學(xué)知識(shí)普及到廣大農(nóng)民手中,看看美國(guó)的科技下鄉(xiāng)是如何做的?Looking for some reading material about farming? One place to look is the science magazine of the United States Dep...