大学英语六级听力 012

Tropical forests in the world The world's forests are disappearing.As much as one third of the total tree cover has been lost, since agriculture began some ten thousand years ago.The remaining forests are home to half of the world's species,thus beco

托福阅读：我们都是柯南，详解推断题

后置定语在考试中是一个应用比较普遍的语法概念，通过后置定语的识别以此快速确立句子或者短语的中心，有助于我们在分析语段的过程中适时聚焦注意力，同时不少题目也会涉及到与后置

CNN 2010-10-29

An erupting volcano, some newly-discovered species, and a celebratory soccer match. We've got it all covered for you in today's edition of CNN Student News! Hello and welcome. From the CNN Center, my name is Carl Azuz. First up, officials respond to

英文原版对话1000个:1242 Capetown

Jana: You must have traveled quite a lot around the country, right? Peter: Hmm, I think I have especially during my student days. I traveled around a lot because I like hiking and outdoor things. I really enjoy traveling around the country and South

常春藤解析英语【2】Small, Smart, and Strong—Ants　小

Small, Smart, and StrongAnts 小蚂蚁的大世界 by Rachel Black Man has long considered the ant to be a hardworking, well-organized creature. This social insect lives in an ordered colony that may contain millions of _(1)_. There are currently 11,

【一起听英语】养蜂

Dima: Hi, welcome to this edition of 6 Minute English with me, Dima Kostenko Rebecca: and me, Rebecca Byrne. Hi. Dima: Today we'll be finding out how a small bee has become the cause of a big problem in the UK - and how an environmental organisation

新路径小学英语二年级上册(一起) Self-assessment

Self-assessment Listen and circle. Look and match. Let's play. Heads you go; tails I go. Heads or tails? Heads. You go first. Write your grade here. Look and say. Let's try. I have a dog. I have a dog and a ladybug. I have a dog, a ladybug and a koal

VOA慢速英语 2007 1023b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Researchers believe cello music can help improve communications skills And I'm Pat Bodnar. This week, we will tell about a new finding about the value of musi

托福阅读：浅谈推理题中的类比逻辑关系

很多同学最近一直和我抱怨，托福阅读中的推理题好难啊，很多题目的正确选项在文中都找不到，说好的忠于原文，说好的不用多想，不用为作者分忧解难呢?这时候我会偷笑，因为你们碰到的

走进剑桥大学 第20期:物种起源与达尔文

Origin of Species and Darwin 物种起源与达尔文 Charles Darwin was the British naturalist who became famous for his theories of evolution and natural selection. Like several scientists before him, Darwin believed all the life on earth evolved o

雅思写作环保类重点词汇

雅思写作环保类重点词汇 1.vivisection活体解剖 2.perform. experiments on animals在动物身上做试验 3.test animals用于实验的动物 4.be subjected to experiments被迫接受试验 5.animal rights动物权利 6.clinical research临

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

SSS 2008-11-26

Darwin's fabled isles, the Galapagos, are in need of a makeover. And removing invasive species of plants tops the to-do list for the islands restoration. But six species that were set to be exterminated have gotten a reprieve. Because a new study fin

SSS 2011-12-19

This is Scientific American's Sixty Seconds Science. I'm Sophie Bushwick. Got a minute? To monitor the biodiversity of the freshwater habitat, you could compare by the water and count the rare wildlife. Or you could just scoop up a cup of water. A ne

SSS 2010-06-18

You know saving the rainforest is good for biodiversity. But it may also be a boon to human health. That's because less clear-cutting may mean less malaria, according to a paper out this week in the journal Emerging Infectious Diseases. Researchers l

SSS 2009-07-24

This is Scientific Ameican's 60-Second Science. I'm Karen Hopkin. This will just take a minute? Forget the meek. If the Earth keeps getting warmer, a recent study shows that its the small that are gonna come out on topat least in the worlds oceans. W

英语听力教程第二版 第三册-2

Listen this way听力教程第三册-2

TED演讲：细菌是怎样交流的(8)

So we went back to molecular biology and started studying different bacteria, 所以我们回到分子生物学的方法，开始研究不同的细菌， and what we've found now is that in fact, bacteria are multilingual. 我们现在已经发现，事

TED演讲：细菌是怎样交流的(7)

We also then went to look at what are these molecules -- these were the red triangles on my slides before. 我们同时也研究了这些小分子，这些就是我刚才幻灯上的小红三角形。 And so this is the Vibrio fischeri molecule. This

英语听书《白鲸记》第375期

Among the fishermen, he is indiscriminately designated by all the following titles: 在捕鲸者中,它是毫无差别地被称为下列这许多名称的: The Whale; the Greenland Whale; the Black Whale; the Great Whale; the True Whale; the Right Wh