单词：extinction probablity
单词：extinction probablity 相关文章
Unit 43 What Caused the K-T Mass Extinction? The latter part of the Cretaceous Period was a time of continental drift and accompanying volcanic activity. The supercontinent was splitting up and the continents were taking on their modern-day forms. Ma
英语流行话题阅读：语境识词4500
Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well
英语新闻
Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r
六分钟英语
By Alisha Ryu Nyeri, Kenya 22 May 2006 Jack Githae, herbal doctor, is standing next to a young MUIRI tree at his clinic in Nyeri, Kenya For thousands of years, people living around Mount Kenya in the
2006年VOA标准英语（五月）
By Lisa Schlein Geneva 12 September 2007 A new report says the number of species threatened with extinction is escalating. The World Conservation Union, which has just released its Red List of Threatened Species, warns life on Earth will continue to
2007年VOA标准英语（九月）
Researchers have developed a new computer model that they say helps determine which mammals are headed for extinction as a result of human activity. Earth is undergoing its sixth mass extinction, threatening about a quarter of all mammal species, ac
VOA标准英语2009年(六月)
Cameroon, Chad Team Up to Protect Wildlife The pact was signed by both governments in early August. It stipulates that the Central African neighbors will jointly manage over 300,000 hectares of protected area. They will be patrolled by an increased n
VOA标准英语2011年(八月)
Humans Driving Massive Animal Extinction Earth is in the midst of its sixth mass extinction of animal species -- the first to be caused by humans -- in the past half-billion years, setting off a downward spiral in the environment and human health, wh
VOA标准英语2014年(七月)
The Yangtze River is a major habitant for finless porpoise, an aquatic marine mammal close to dolphins. However due to increasing human activities the number of the animal has been declining in China over the years. Provinces along the Yangtze River
2018CRI中国国际广播电台
By Teri Schultz Brussels 06 April 2007 It took a contentious all-night session to bridge gaps between scientists and policy-makers, but participants at a U.N. Intergovernmental Panel on Climate Changeconference in Brussels emerged with a document tha
2007年VOA标准英语（四月）
By David McAlary Washington 10 May 2006 There is new evidence in the case of the missing woolly mammoth. In fact, several species of large mammals in addition to the mammoth went missing at the end of
2006年VOA标准英语（五月）
UN Secretary-General Ban Ki-moon tells reporters Copenhagen conference must be the turning point in global efforts to prevent runaway global warming and usher in a new era of environmentally sustainable growth. Margaret Besheer | The United Nations 0
VOA标准英语2009年(十二月)
Cambodia is home to the largest population of sun bears left in the wild. As the worlds smallest bear species, they are now facing a high risk of extinction due to the twin threat of habitat loss and illegal hunting. Charities are working hard to sav
英语新闻视频
音乐咖啡厅:Tynisha Keli - Lullabye 相关介绍：Tynisha Keli，原名Tynisha Keli Soares。1985年出生于美国，是一名RB歌手。2009年首张专辑The Chronicles of Tk在日本专辑排行榜拿下第15名，单曲 Shatter'd则在公告牌
音乐咖啡厅
Pre-Listening Vocabulary habitat: the place where living things live extinction: the state of no longer existing threatened: facing a possible risk of extinction 24/7: all day and night; at all times human intervention: the involvement of humans Habi
Facts-事实
abandon vt.放弃, 遗弃 （90-6， 91-6，92-1，93-1，95-1， 95-6，98-6，99-6，02-6，05-1，06-12，07-6） After driving many of the animals around them to near extinction, people were forced to abandon their old way of life for a radically
大学四六级阅读
Rabbits Down Under In 1859, an unassuming Australian landowner named Thomas Austin got the hunting bug. Eager for something to shoot, he released twenty-four wild rabbits onto his property and had a jolly time tracking them down. Unfortunately, some
英语听力文摘 English Digest
Hi there, I'm Ore with the BBC World News for Children. Coming up: Japan's mission to super hot planet. A new survey says kids care more about computers than animals. And Inter Milan face Bayern Munich in the Champion's League final. First up, after
英语听力文摘 English Digest
Coextinction 绝种是指生物群体逐渐消失的过程。物种和较大族群常态性的灭绝，并由更进步的形式所取代，这是进化的正常过程。然而，从化石的记录来看，有时会出现整个科目的动物和植物都
英语听力文摘 English Digest