单词：species extinction
单词：species extinction 相关文章
1. M: Are you ready to order now? [00:02.59]W: Yes,I'll have roast beef,French fried potatoes and green beans. [00:08.15]Q: Whom is the man talking to? [00:12.25]2. M: Well,if I had begun studying English earlier. [00:16.61]I wouldn't be having so mu
决胜四级听力必备
[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.82]2006 Text3 [00:08.14]When prehistoric man arrived in new parts of the world, [00:12.17]something strange happened to the large animals: [00:15.51]they suddenly became extinct. [00:18.03]
历年考研英语阅读理解
[00:01.94]Fresh water [00:03.71]Rivers, lakes and wet-lands are sources [00:06.23]of fresh water,not only for humans, [00:08.50]but for wildlife too. [00:10.35]Due to pollution and climate change, [00:12.60]about 50% of the world's fresh water habita
北师大版高中英语模块8(选修)
[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)
Invasive species can decrease biodiversity and drive resident species to the brink of extinction. But how do these interlopers fare so well in unfamiliar territory? One idea is that theyve escaped their enemies, for example, the parasites that keep t
Scientific American(四)月
And so it is everywhere one looks. 这一现象在世界各地都在发生。 The human juggernaut is permanently eroding Earth's ancient biosphere by a combination of forces that can be summarized by the acronym HIPPO, the animal hippo. 人类正在以
TED演讲科学篇
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
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Since so many species in a food web are interconnected, the demise of a one can mean extinction for several others that depend on it for food. Thanks to things like
Scientific American(八)月
1. Casualties in Iraq are climbing after a second straight day of deadly attacks. Bombings around Baghdad left more than two dozen people dead Sunday. Rescue workers are still searching for bodies in the rubble of a bombed marketplace where up to 150
美联社新闻一分钟2007
By Zulima Palacio Kauai, Hawaii 18 June 2007 The Hawaiian archipelago represents the most isolated group of islands in the world. Plants and animals that are common to many people elsewhere only made it to these islands in the last few hundred years
2007年VOA标准英语（六月）
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)
没有买卖就没有杀害。一些昧良心的人为了钱财，大肆捕杀珍稀野生动物，这种行为十分可耻。 Rob: Hello, I'm Rob, welcome to 6 Minute English. I'm joined today by Feifei. Feifei: Hi there, Rob. Rob: Hello Feifei. Tod
一起听英语
题目： At various times in the geological past, many species have become extinct as a result of natural, rather than human, processes. Thus, there is no justification for society to make extraordinary efforts, especially at a great cost in money a
GRE英语
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
Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A
英语杂谈
CANBERRA, March 23 (Xinhua) -- Up to 45 native species in Western Australia's Kimberley region will die out within 20 years if no action is taken, latest study showed on Wednesday. The Priority Threat Management to Protect Kimberley Wildlife report,
英语新闻
With the extinction of many precious animal species, a large sum of money has been spent on the protection of wild animals. However, some people hold the opinion that this money should be spent on the human race. These people argue that we have not s
雅思英语