文章列表

• 1.英语听力：探索发现 2012-09-28 长毛象王国 Mammoth—9
• This is Alaska today, a wetland of forests, boggy tundra, lakes and rivers rivers that still churn out fresh clues to the Ice Age past. This is a bric...
• 2.英语听力：探索发现 2012-09-26 长毛象王国 Mammoth—8
• The answer lies in the effects of North Americas immense and fluctuating ice sheets. As they grew, they locked up so much water that the sea levels be...
• 3.英语听力：探索发现 2012-09-23 长毛象王国 Mammoth—7
• Bears have long claws, but they get worn down by the daily grind, moving around and rooting for food. They are just not sharp enough to rip into the b...
• 4.英语听力：探索发现 2012-09-21 长毛象王国 Mammoth—6
• In one remarkable discovery recreated here, the head and hide of a large carcass was exposed a unique opportunity for scientists to tap some Ice Age s...
• 5.英语听力：探索发现 2012-09-16 长毛象王国 Mammoth—4
• Of all these creatures, the woolly mammoth is the undisputed symbol of the Ice Age. But what do we really know about how this giant lived. How did it ...
• 6.英语听力：探索发现 2012-09-14 长毛象王国 Mammoth—3
• The Yukon and its neighbor, modern-day Alaska, were once part of the land that was Beringia. Stunning though this region is today is just a shadow of ...
• 7.英语听力：探索发现 2012-09-12 长毛象王国 Mammoth—2
• By searching for evidence that still survives today, we reconstruct the landscape and the wildlife of prehistoric North America. During the last Ice A...
• 8.英语听力：探索发现 2012-09-09 长毛象王国 Mammoth—1
• 21st century, North America, where people have reached even the remotest corners of the continent, and pushed back the boundaries of modern technology...
• 9.英语听力：探索发现 2012-09-07 爱尔兰的故事 Story Of Ireland—24
• On Good Friday 1014, the opposing forces faced each other at Clontarf, outside Dublin. There were two Irish armies, but both with their Viking allies....
• 10.英语听力：探索发现 2012-09-05 爱尔兰的故事 Story Of Ireland—23
• Brian did not see himself as a king among equals but as high king of all Ireland, and with a mighty army he set about trying to control the island. In...