【CET 12-24备战】之六级听力（二十四）

Passage Two 14. A) It limited their supply of food. B) It made their eggshells too fragile. C) It destroyed many of their nests. D) It killed many baby bald eagles. 15. A) They found ways to speed up

Threaten … with ….

本讲为2005年下半年新的教学内容，请对照教材听录音！ plant species are not the only forms of life (threatened with ___ (extinct) in the rainforest). Threaten … with …. He thre

The solution to this problem is Little

本讲为2005年下半年新的教学内容，请对照教材听录音！ I heard him _sing_ (sing). I don’t like letters _written_ (write) in pencil. Such programs could teach the local people how

Intelligent Crows Use Tools

Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re

SSS 2008-06-27

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. For the last five years, researchers have been analyzing bird DNA. That effort has now completely altered our understanding of which bird species really

科学美国人60秒 SSS Bird Feeders Attract Bird Eaters, Too

More than half of U.S. households provide food for birds. It's a billion dollar industry. Now a study asks whether the same feeders that attract birds also attract predators that eat the eggs and newly hatched nestlings of those birds. We imagined th

英语听力教程第二版 第三册-2

Listen this way听力教程第三册-2

鸣叫的一天

BIRDS SINGING Rob: Hello and welcome to 6 Minute English with me, Rob, and a very beautiful sound Jen: Ahhh, the sound of birdsong. Hello, Im Jennifer and thats what were talking about today - birdsong. Rob: In Britain, this is the sound of summer -

SSS 2008-10-10

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually

SSS 2012-02-10

This is scientific Americans, 60 second science, I'm Sarah Fecht. Got a minute Thats not a bird whistling. This sound was recorded 2000 feet below the oceans surface. Scientists postulated decades ago that deep-sea animals might use sound to navigate

与美国小学生一起学英文第5册 第9期:鲸鱼

Whales 鲸鱼 Whales are very large mammals and they living in the sea. 鲸鱼是生活在海里的巨大哺乳动物。 They breathe air into their lungs. 它们把空气吸入肺里。 They feed their babies milk and they have some hair too. 它们给

2007年VOA标准英语-‘Extinct’ Bird Species Lives

By George Dwyer Washington 30 May 2007 Ivory-billed woodpecker A North American bird believed to have become extinct in 1944 has apparently re-appeared. The Ivory Billed Woodpecker was rediscovered in February 2004 when it was reportedly spotted twic

VOA标准英语2012--Bird Counts Show Species Decreasing

Bird Counts Show Species Decreasing Huntley Meadows Park in Fairfax County, Virginia, is home to a wide variety of birds. That's where Ana Arguelles and her husband, Jeff Wneck, who live next to the 588-hectare wetlands, take part in the annual count

VOA标准英语2010年-Decoding Bird Calls to Avoid Plane Str

Birds and planes have been colliding since the Wright brothers first took to the air. There are dozens of bird strikes each day, causing hundreds of millions of dollars in damage to airplanes each year, and putting the lives of passengers and crew me

保护夏威夷岛上的濒危鸟类

保护夏威夷岛上的濒危鸟类 Of the world's nearly 9,900 bird species, 13 percent - one in eight - are threatened with extinction, according to BirdLife International. Among them are two Hawaiian honeycreepers - tiny birds that live in the fo

科学美国人60秒 SSS Sweet Song Gives Away New Bird Species

Sweet Song Gives Away New Bird Species我的歌声你懂得 That, of course, is the sound of the Himalayan forest thrush. And that sound was a clue to field researchers that they might have a new species of bird on their hands. Even though it was in

【一起听英语】研究稀有鸟类

有一个名词是专门用来指代负责研究稀有鸟类的人....... BIRDS SINGING Rob: Hello and welcome to 6 Minute English with me, Rob, and a very beautiful sound Jen: Ahhh, the sound of birdsong. Hello, Im Jennifer and thats what were talki

【英语语言学习】飞龙

Robyn Williams: Australia has some of the finest living dinosaurs in the world. Yes, I mean birds. Our birds were among the first purveyors of birdsong in ancient history, so the science suggested earlier this year, despite what David Attenborough ha

备战英语六级听力练习题第24期

Passage Two 14. A) It limited their supply of food. B) It made their eggshells too fragile. C) It destroyed many of their nests. D) It killed many baby bald eagles. 15. A) They found ways to speed up the reproduction of bald eagles. B) They developed

经济学人25:辐射尘中 幸免于难

Science and Technolgy. 科技。 Radiation and evolution. 核辐射与进化。 Surviving fallout. 辐射尘中 幸免于难。 Birds can evolve to cope with the lingering effects of nuclear incidents. 鸟类能够通过进化应对核事故的残余影