单词：extinction rate
单词：extinction rate 相关文章
Passage 48 Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for in
英语专业四级听写
What is Your Recovery Rate ? By Graham Harris What is your recovery rate? How long does it take you to recover from actions and behaviors that upset you? Minutes? Hours? Days? Weeks? The longer it takes you to recover, the more influence that inciden
王强英语美文
[00:01.01]Recently, there was another threat [00:03.02]when the tanker Jessica ran aground [00:04.83]near the islands. [00:06.48]It is believed to have leaked almost [00:08.32]a million litres of oil into the sea. [00:11.75]At first, it was feared th
北师大版高中英语模块7(选修)
The Federal Reserve, the U.S. central bank, on Wednesday cut short-term interest rates in an effort to boost the slowing economy. VOA's Barry Wood reports it was the eighth cut in the overnight federal funds rate in the past year. United States Fede
VOA标准英语2008年（十月）
Population Growth It is well-known that there has been a drastic increase in world population. But it is probably less well-known that the extinction rate of wildlife species is experiencing a parallel trend. Take the United States for instance. In 1
英语专业四级听力50篇
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 Al Pessin Pentagon 29 May 2008 The U.S. Army reported Thursday that the suicide rate among its soldiers continued to rise last year, and is now nearly double the rate recorded before the invasion of Iraq. But they say last year's increase was not
VOA标准英语2008年（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)
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
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
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
The People's Bank of China's governor Zhou Xiaochuan says the Renminbi won't be actively depreciated to regain national competitiveness. Zhou was speaking during a recent International Monetary Conference in Shanghai, when he also suggested that now
世界各地新闻集锦
[00:00.00]What's the interest rate for the savings account? [00:01.93]储蓄存款的利率是多少？ [00:03.85]Interest is calculated at the rate of 0.8% per annum at present. [00:06.61]目前每年的利率是按０.８％计算的。 [00:09.36]Y
英语杂谈
WASHINGTON, Sept. 16 (Xinhua) -- U.S. poverty（贫困） rate climbed to 14.3 percent in 2009, the highest level since 1994, as households' incomes were squeezed by the deepest recession（衰退） since the 1930s and high unemployment（失业率 ）
英语新闻