听力教程>英语听力：探索发现>探索与发现2012年

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1.英语听力：探索发现 2012-12-30 冰河新新州 Ice Age Oasis—8
But how did one man and a spear produce the huge force behind this blow? The answer lies with small bits of ivory like this. They were once part of an...
2.英语听力：探索发现 2012-12-28 冰河新新州 Ice Age Oasis—7
But most significant of all, the jaguar has a tell-tale trademark. Instead of going for the neck or snout like most cats do, it kills with a crushing ...
3.英语听力：探索发现 2012-12-26 冰河新新州 Ice Age Oasis—6
These holes are the unmistakable hallmark of a violent death. Their shape suggest they were made by the teeth of a big cat, but which one? Today there...
4.英语听力：探索发现 2012-12-23 冰河新新州 Ice Age Oasis—5
But the glyptodont wasn't a reptile. So what was it? There is a relative of the glyptodont thats still alive today. It's the armadillo and it's a mamm...
5.英语听力：探索发现 2012-12-21 冰河新新州 Ice Age Oasis—4
At first sight, manatees might look like seals or dolphins. But in fact, some of their closest relatives live on land. These toenails are the giveaway...
6.英语听力：探索发现 2012-12-19 冰河新新州 Ice Age Oasis—3
This creates steam in oasis and a profusion of life. Today, these warm springs are a refuge for one of Florida's most tropical inhabitants. The West I...
7.英语听力：探索发现 2012-12-16 冰河新新州 Ice Age Oasis—2
By piecing together the evidence these creatures left behind, we can build a picture of this sub-tropical corner of the continent as it was 13,000 yea...
8.英语听力：探索发现 2012-12-14 冰河新新州 Ice Age Oasis—1
This is Florida, a taste of the tropical, one of the world's most popular holiday destinations. Here mankind's unquenchable desire to explore and colo...
9.英语听力：探索发现 2012-12-12 美洲大平原 American Serengeti—20
This trail leads to the cave and the freshly dead bison, just out of reach. Hunger makes the bear risk everything. He falls and joins the bison in its...
10.英语听力：探索发现 2012-12-09 美洲大平原 American Serengeti—19
But their success hasn't gone unnoticed. From many miles away, the short-faced bear can smell blood on the breeze. He sniffs his way towards the sourc...