美国国家公共电台 NPR A New Kind Of March Madness Hits Schools

RACHEL MARTIN, HOST: The NCAA March Madness tournament features some tough matchups - badgers versus gators, rams versus bulldogs, wolverines against cardinals. But what if those animals actually did face off, like in nature? Who would win? Kat Lonsd

成长的烦恼第五季522

Stinky: Is it A, Gastropods, B, Marsupials or C, Planaria? Ben: Um...don't help me, here. Stinky: I can't. Ben: Um... It's A, that thing with gas. Stinky: No, it's D, none of the above. Ben: But you didn't even say that! Stinky: I didn't think it wa

赖世雄高级美国英语 lesson 18

Lesson 18， Hot Animals Around the World： The Koala 世界热门动物：无尾熊 Why are all those people standing in line in the hot sun at the zoo？ Maybe the zoo just opened a koala exhibit. With the suvival rate of native Australian koalas on the rise

儿童故事集：小熊的夜晚-The Bears’ Night Out

Megan loved bears more than anything else in the whole world. She had a polar bear, a grizzly bear, a panda bear, and even a koala bear. She had other animals too, but it was only the bears that got to sleep in Megans bed at night. Each night before

SSS 2009-08-24

Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove

英语听力：探索发现 2013-01-04 冰河新新州 Ice Age Oasis—10

This is the Virginia opossum, a tree dweller found throughout many of the southern states. It's the only North American marsupial. The young are born premature and matured in the mother's pouch. And its only close relatives today are found in Central

双语趣听精彩世界 第58期:大难不死的澳洲考拉

AFP: Timberwolf the koala was lucky to be alive Monday after surviving a terrifying 88-kilometre (54.5-mile) ride down a busy Australian freeway clinging to the bottom of a car. 澳洲考拉 The four-year-old male, who survived with nothing more than

SSS 2010-04-06

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Quality truffles can sell for more than a $1000 a pound. Theyre also valuable in environmental research, work thats discussed in an article called The Hidden Life of Tru

托福阅读背景材料：地核物质成分

讨论地核物质成分，科学家根据地震波传导的快慢，确定了地核的成分与地表的成分不同。然后科学家发现火山爆发出来的物质有钻石，证明地球深层是一个高温高压的环境，因为钻石只能在

VOA标准英语2010年-Back From the Dead - 'Extinct' Frog Fo

A species of frog has been found alive on a farm in Australia more than 30 years after it was thought to have become extinct. Environment officials have said a thriving population of yellow-spotted bell frogs has been found in a remote creek in New S

美联社新闻一分钟 AP 2013-10-21

1. The White House says a Senate-backed deal to reopen the government and raise the debt ceiling achieves what's necessary. The deal would reopen the government through at least January 15th and the nation's borrowing authority would be extended thro

VOA慢速英语2018 百年来澳大利亚野生动物第一次受到威胁

Threatened Australian Animal Back in the Wild for the First Time in a Century For the first time in more than a century, bilbies are running wild in Southeastern Australia. 一个多世纪以来，兔耳袋狸首次奔跑在了澳大利亚的南部地区

VOA标准英语2008年-Australian, US Scientists Bring Extinct Gene Ba

By Phil Mercer Sydney 21 May 2008 Australian and U.S. scientists have successfully inserted a gene from the extinct Tasmanian tiger into a mouse embryo. They say the result has been bone and cartilage from the extinct marsupial developing inside the

经典双语笑话 第4期:听到那样真令人难过

Unit4 Sorry to hear that 第四节听到那样真令人难过 A foreign visitor touring the great American West came across an Indian with his ear pressed to the ground. 一位外国游客到美国大西部游览，碰到一个印第安人把耳朵紧贴

经济学人156:滴定进食

Science and technology 科学技术 Animal behaviour 动物行为 Drip-feeding 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 Time to change restaurant 该换家馆子了。 BIOLOGISTS are sometimes acc

经济学人123:生态学里应用上了化学技术

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

经济学人122:动物行为 滴定进食

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

VOA常速英语2008年-New Hope for Threatened 'Devil' Marsupials in A

By Phil Mercer Sydney 01 April 2008 Researchers in Australia say a Tasmanian devil called Cedric could hold the key to the survival of the embattled species. The world's largest marsupial carnivore is facing extinction because of a mystery facial can

VOA常速英语2007-Captive Breeding Program a Boost to Ailing Tasma

By Phil Mercer Sydney 23 October 2007 Australian researchers are teaming up with zoos and wildlife parks around the world in a bid to save the Tasmanian devil. It is the largest carnivorous marsupial and is being devastated by a mysterious facial tum

SCO to agree package of multilateral projects

SCO to agree package of multilateral projects