单词：chief source of water for animals
单词：chief source of water for animals 相关文章
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
大学英语六级听力短文
Lesson 38 Water and the traveller 水和旅行者 First listen and then answer the following question. 听录音，然后回答以下问题。 What does this text describe? Contamination of water supplies is usually due to poor sanitation close to wat
新概念英语第四册
Disappearing Forests 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 becoming the c
英语六级听力练习集锦
NANCY:That's it Klara.We hope you like it. KLARA:Wonderful.Thank you.I love what you've done. KLARA:Now there are a few things I've been thinking about. Some of my original ideas were not quite right.
捷进英语
Water Becoming More Precious Than Oil in Arab World 在阿拉伯水比油更珍贵 While one of the most pressing political and social issues facing the Arab world rarely makes headlines, it is an iss
VOA2005（上）--环境科学探索
Killing Mosquitoes Early On及早杀灭蚊虫预防疟疾 Targeting mosquitoes in their early stages of life has the potential to greatly boost malaria control efforts and prevent thousands of new infections every year. A new study looks at the effec
VOA常速英语2013年(九月)
英语文摘欣赏 Once there was a great Sufi saint. In his last days, someone asked him about his master. Saint said, Since you asked I will certainly tell you about three masters. 曾经有一位伟大的苏菲派（伊斯兰神秘主义派别的总
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The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di
VOA标准英语2010年(八)月
They've given us two wheels and four wheels. Now, Honda are giving us this which they believe is a replacement for our legs. It may look like ride on a vacuum cleaner. But this is the UNI-CUB, the future,say Honda, of personal transport. It may resem
万花筒2012年
While one of the most pressing political and social issues facing the Arab world rarely makes headlines, it is an issue that some political analysts believe could lead to the next great confrontation in the region. Rapidly expanding Arab populations
2005年NPR美国国家公共电台
All animals communicate. 所有动物都会相互交流。 Crabs wave their claws at each other to signal that they're healthy and ready to mate. 螃蟹相互挥舞钳子表明它们健康并准备交配。 Cuttlefish use pigmented skin cells called
TED演讲教育篇
Heres the surprise entry into search for life, this little moon that youd expect to be pretty dead and dull, and coming out of the South Pole of it is a jet of water ice, all the things you need for life are there. Theres an energy source, theres a w
自然百科2012年
Nature reports results from GRACE, a satellite machine designed to use gravity measurement to monitor the world's water resources. GRACE is the Gravity Recovery and Climate Experiment and it's a two-satellite machine. These two satellites are followi
自然百科2010年
Poverity is rife in Ethiopia. The United Nations ranks it amongst the poorest countries in the world. For many, the Nile is the source of hope and salvation. It was humbling to witness the strength of their belief. -Some people might think that worsh
自然百科2015年
By Paul Sisco Washington 25 April 2008 A new type of swimsuit developed by Speedo is raising Olympic concerns and helping smash world records in Olympic trials.VOA's Paul Sisco has more. Speedo representatives say it is the most technologically advan
VOA常速英语2008年（四月）
Simple Questions Can Help Stop Killer Disease 制止致命疾病的简单方法 Diarrheal disease is one of the leading killers of young children in Africa. While more countries are using vaccines to help prevent outbreaks, health officials are often
VOA常速英语2013年(九月)
BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu
英语新闻
今天我们要学的词是track down。 Track down, 追捕、追寻。 The police are trying to track down the suspect, 警方试图寻找嫌疑犯。最近有一名美国俄亥俄州的农场主自杀前把自己饲养的猛兽放了出来。 Ohio
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