标签:extinction 相关文章
Most people searching for buried treasure would be looking for silver and gold, ancient coins or rare artwork. But scientists studying the extinct giant moa (已灭绝的一种新西兰无翼大鸟) bird and its environment are looking for a differen
Animal conservation Many animal and plant species have become extinct and many more are in critical danger. Finding ways to protect the earth's wildlife and conserve the natural world they inhabit is now more important than ever. Extinction Extinctio
Today, more people than ever before are speaking to each other through satellite television, cellular telephones and computers. This means that people from different parts of the world need to be able
[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
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
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
This is Scientific American's 60-Second Science,I am Steve Mirsky.Got a minute? Its accepted that a large meteor impact 65 million years ago was responsible for the mass extinction of the dinosaurs. Which opened up niches for birds and mammals. But l
[00:-1.00]motivate motivation linguist technique [00:-1.50]激发 动机 语言学家 技术 [00:-2.00]require put off percentage [00:-2.50]需要 推迟 百分率 [00:-3.00]influential billion localise [00:-3.50]有影响的 十亿 使局部化 [00:
37 研究表明2500万年前流星曾碰撞过地球 DATE=4-18-01 TITLE=SCIENCE REPORT - Meteor Collision With Earth BYLINE=Jill Moss (Start at 59
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
The mystery of why giant pandas are forced to spend 14 hours a day eating foods has finally been solved - they can only digest around 17 per cent of the bamboo they swallow. 大熊猫不得不一天14个小时都在进食的谜题近日终于被解开了
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
Seven Hoaxes for April First Megan Fox Wonder Woman Hoax Hollywood starlet Megan Fox was brilliantly Photoshopped into a movie poster for Wonder Woman. Genius marketing or fan obsession? Either way it didnt hurt Megans career. Natural Blonds Are Near
Chapter 6 六 But when at last I met Charles Strickland, it was under circumstances which allowed me to do no more than just make his acquaintance. 但是最后我同查理斯思特里克兰德见面,并不是在思特里克兰德太太说的那种情
I mention all this to explain why on a gray day in February I went to the Natural History Museum in London to meet a cheerful, vaguely rumpled, very likeable paleontologist named Richard Fortey. 我提这一切,是为了解释为什么我在阴沉沉
2010上海世博会:日本馆之面观 The Japan Pavilion, which is always among the most popular pavilions during previous World Expos, is expected to attract 17,000 visitors every day,The centerpiece performance of the pavilion will be an opera w
在托福阅读备考过程中,没有一点心机是不行的!我们在选资料,练真题,解题等方面都要有方法有技巧的进行,以下是小编这个心机girl给大家推荐的几点心机秘籍,助力大家早日取得托福阅
托福考试中,阅读是第一项考试。对于很多同学来说,这也是被寄予厚望,能拿高分的科目。冲到100+,或者是110+,阅读如果失分严重,那么说后面的考试就回天乏力了。 一 单词单词理解是文