赖世雄英语新闻听力通 第8期:老象是象群生存的关键

(BBC News)Researchers in England and Kenya have found that older elephants help a herd to survive. （英国国家广播公司报道）英国与肯尼亚的研究人员发现，老象对象群的生存有帮助。 The older elephant's memories were f

全美达人第八季 27 人气男团演绎音乐传奇

本期看点：这是美国达人秀冠军诞生之夜。选手们将倾尽所能，把所有的才华都展现出来。他们精彩的表现令评委们难以评定，只有一位赢家，他将是谁？我们拭目以待

比弗利娇妻 第五季 15 丈夫捐款拼富力捧娇妻

本期看点：贵妇们展开寻宝之旅，一向优雅着装的她们，竟然不顾形象变身女汉子，最终比赛结果如何？好闺蜜为何会破口互骂，什么隐藏秘密被曝出呢？丈夫们捐款比拼，最终哪位娇妻是最

未来水环境让现有鱼类很难生存(有声)

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

60秒科学:猛犸缘何可以生存于冰期?

A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm or die. So their tails and heat-shedding ears shrunk, and they grew thick coats of oily fur. But

英语听力：2013-03-22 恐龙之战之极限生存 Extreme Survivors—2

I think its a very beautiful idea that you have this little egg thats surprisingly small and out of it comes a baby sauroposeidon thats about the size of a rabbit and in two or three decades, its gonna be a 50-ton adult. But why does this huge animal

英语听力：2013-03-29 恐龙之战之极限生存 Extreme Survivors—5

There probably werent many animals of Cretaceous that would dare to try to grab a baby Tyrannosaurus Rex. Quetzalcoatlus could probably manage it. If you see a stork on the Nile today eating a baby crocodile, you can imagine in your mind Quetzalcoatl

英语听力：2013-03-31 恐龙之战之极限生存 Extreme Survivors—6

When you start off coming out of the egg and youre less than, say, 2 feet long and you are in a world full of predators that are loving to crunch on you, then you need to get big fairly quickly. The future seems bleak for this dinosaur. With its life

英语听力：2013-04-03 恐龙之战之极限生存 Extreme Survivors—7

Male lions defend their cubs against rivals who see their offspring as future competition for food and mates. So its likely that an intelligent predator like T-Rex would do the same. Compared to prehistoric plant eaters, its cerebrum, the part of the

英语听力：2013-04-05 恐龙之战之极限生存 Extreme Survivors—8

T-Rex is impressive and it's powerful, but compare to Ankylosaurus, it is relatively lightly built. Protective plates made of bone and cartilage covered this lumbering creature from head to tail. Light, but extremely strong, the hide of Ankylosaurus

英语听力：2013-04-07 恐龙之战之极限生存 Extreme Survivors—9

And there is something else unusual about a T-Rexs nose. The nostrils are a huge 25 centimeters apart, which means T-Rex can smell in stereo. It can triangulate an odor and pinpoint its exact source. T-Rex could walk into a crowded auditorium and in

英语听力：2013-04-10 恐龙之战之极限生存 Extreme Survivors—10

One could imagine that the conflict between Tyrannosaurs and Triceratops may have been one of the greatest combats that nature has ever had. And this well-protected herbivore is everywhere. In fact in the Late Cretaceous, Triceratops outnumbered Tyra

英语听力：2013-04-17 恐龙之战之极限生存 Extreme Survivors—13

Sauroposeidon probably had a brain about the size of a kittens, because it was not, unfortunately, a very smart animal. It didnt have to be. It was a food-processing plant. Sauroposeidons five senses are little more than a life-support system for the

英语听力：2013-04-19 恐龙之战之极限生存 Extreme Survivors—14

To eviscerate prey, Deinonychus uses both its hands and feet. These were animal that had weapons everywhere you go. Its ridiculous minor weaponry for animal like that size. Its clear its name of all for every reason to be able to dish a lot of damage

英语听力：2013-04-21 恐龙之战之极限生存 Extreme Survivors—15

But with both parents out searching for food, the nest is left unguarded and exposed. Triceratops may be a plant eater, but with a defenseless baby T. Rex around, it'll make an exception. Quetzalcoatlus is the largest flying carnivore in Earth's hist

英语听力：2013-04-24 恐龙之战之极限生存 Extreme Survivors—16

Even if the animail managed to survive, the wounds generated from the bite, the prey dinosaur would get weaker and sicker, and the predator could then hunt it down and kill it. Bitten by a T-Rex, and youre downfall, be it now or later. And once you a

英语听力：2013-04-26 恐龙之战之极限生存 Extreme Survivors—17

It's a digestive process more like those of carnivores. And Sauroposeidon has another trick for growing to mammoth proportions--hollow bones. Its backbone, neck, and ribs have walls just a few milometers thick. Even its limbs are far less dense than

英语听力：2013-04-28 恐龙之战之极限生存 Extreme Survivors—18

Tyrannosaurus Rex, though, lives in an entirely different world. A male devours a Triceratops carcass. Those powerful jaws smash into the meat of the animal. Those gigantic teeth pierce down through flesh. These well-rooted teeth are there to break i

音乐咖啡厅:Warwick Avenue -09全英音乐奖最大赢家Duffy 献唱

Duffy-warwick avenue伤心情歌Warwick Avenue则唱出了在车站遇见前男友的心情故事一介新人能与乐坛传奇媲美，可见来头不

双语有声阅读：生存还是毁灭

To be or not to be Outside the Bible, these six words are the most famous in all the literature of the world.They were spoken by Hamlet when he was thinking aloud, and they are the most famous words in Shakespeare because Hamlet was speaking not only