高中英语人教版必修第三册08

[00:09.40]Reading [00:10.55]STUDYING PLANTS IN THE WILD [00:12.25]The study of natural history is not something to be left to biologists. [00:17.99]In fact, their capacity in terms of the time they can spend away from their offices is very limited. [

高中英语人教版必修第三册07

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

高中英语人教版必修高三07

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

高中英语人教版必修高三08

[00:09.40]Reading [00:10.55]STUDYING PLANTS IN THE WILD [00:12.25]The study of natural history is not something to be left to biologists. [00:17.99]In fact, their capacity in terms of the time they can spend away from their offices is very limited. [

VOA慢速英语--研究人员发现入侵物种的“善良”一面

Researchers Find Bright Side to Some Invasive Species Non-native species present threats to natural environments across the world by pushing out native organisms. Their presence can seriously damage ecosystems that provide clean water, food and other

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 2010-05-26

This is Scientific American's 60-Second Science, I'm Karen Hopkin. This'll just take a minute. What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? They're among the Top 10 Species first described in 2

【一起听英语】植物种子王国

将地球上所有植物的种子都存储起来，形成我们的植物种子王国。已经有些植物是濒临灭绝的了.... Rob: Hello! Im Rob, this is 6 Minute English - and today, I'm joined by Yvonne. Hello, Yvonne. Yvonne: Hi Rob! Rob: Tod

看看最奇怪的新物种有哪些?(有声)

What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? Theyre among the Top 10 Species first described in 2009. Thats according the International Institute for Species Exploration at Arizona State Univer

亡者归来:三分之一绝种动物再现世间

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

seeks

Rob: Hello! Im Rob, this is 6 Minute English - and today, I'm joined byYvonne. Hello, Yvonne. Yvonne: Hi Rob! Rob: Today, were talking about seed banks a place where the seeds from all kindsof plants are carefully stored. Unfortunately, researchers a

高一上朗读unit 10

ARE WE WNDANGERED? steve jones is an environmental expert who tries to keep animals and plants from becoming endanged,we are not alone in the world. we human beings could not survuve without all the plants and animals around us. we often talk about h

GRE写作真题回忆之：社会与自然

新GRE写作机经：社会与自然 Society should make efforts to save endangered species only if thepotential extinction of those species is the result of human activities. 社会应该努力拯救濒危物种，只要这些物种的灭绝是人类活

高中英语人教版高一年级上21

[00:-1.00]Discuss these questions with your partner. [00:-2.00]1.How do plants and animals live together? [00:-3.00]2.What do human beings need to survive? [00:-4.00]3.What do plants and animals need to survive? [00:-5.00]4.What do animals do to surv

科学家旨在在生物灭绝之前冻结其DNA

Scientists Aim to Freeze DNA Before Creatures Die Off 科学家旨在在生物灭绝之前冻结其DNA Earth is in the middle of its sixth mass extinction. The last such event took place 66 million years ago, when an asteroid a huge space rock - hit

英语听力：自然百科 为生而死的生物

Hi, its Kasey-Dee Gardner, in this weekend Why Tell Me Why will answer an interesting viewer question. The viewer wants to know why certain species die after they reproduce. So, we're here to find out the answer. Urn, so there are a bunch of species,

VOA常速英语2008年-Scientists Map Madagascar's Unique Species

By Jessica Berman Washington 10 April 2008 An international team of scientists has conducted an exhaustive survey of Madagascar's thousands of endangered plant and animal species. The information will be used to protect the creatures and vegetation t

Ecologists Call for Action on Biodiversity Loss

1. Why that two-timing! 为什么那么不专情。 2. Don't let it get you down. There are plenty of fish in the sea。 别让这件事影响你的情绪。天涯何处无芳草。 3. Are you cheating on me? Because I've been hearing some rumors。 你

实例解析托福阅读中如何准确定位

发现不少这样的同学，自认阅读不错，实际考出来的分数只有22分左右，甚至会更低。ETS对阅读高水平(High level)的评定标准是2230分。而事实上，阅读如果达不到25分以上，总分想要过百会比较困

万物简史 第517期:丰富多彩的生命(13)

This was an amazing disclosure. 这句话里包含着丰富的历史内容。 Joseph Banks was England's greatest botanist, and the Endeavour voyage that is the one on which Captain Cook charted the 1769 transit of Venus 约瑟夫班克斯是英国最伟