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

2-13 要么生存，要么死亡

To Live or to Die The history of life on earth has been a history of interaction between living things and their surroundings. To a large extent, the physical form and the habits of the earth’s vege

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

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 onl

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：2013-03-31 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:Love Will Keep Us Alive爱让我们生存

Love Will Keep Us Alive是The Eagles(老鹰)乐队的最经典名曲之一，柔情的节奏，特别适合唱给你的情人听，歌中的誓言让人感动，When we're hungry love will keep us alive The Eagles(老鹰)乐队是美国七十年代最成功的乐队，是继The Beatles、Led Zeppelin之后，名列

太空生存模拟试验收官 4人密封舱内生存180天

Four Chinese volunteers who have been living inside a sealed capsule in Shenzhen completed their 180-day survival experiment last Wednesday. 4名中国志愿者于上周三结束了在深圳一个密封舱内的180天生存试验。 The experiment is

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