单词：supplementary water source
单词：supplementary water source 相关文章
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
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
阅读空间
今天我们要学的词是source。 Source, 意思是来源。 Social Security is a reliable income source for seniors, 社会保障是美国老年人可靠的收入来源。 Police have received thousands of tips, according to a source close to the
英语每日一词
By Kari Barber Dakar 21 March 2008 In many African countries, few people have access to computers and the Internet. Experts say this is hindering development and preventing students from being able to compete for jobs. At a conference in Dakar this w
VOA标准英语2008年（三月）
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
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
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
ATHENS, Feb. 18 (Xinhua) -- The Greek cabinet approved on Saturday evening a final supplementary austerity package to secure further international financing next week to avoid bankruptcy in March. During the euro group meeting on Monday the discussio
英语新闻
That's all? 仅仅这个数目吗？ That's all, Professor Aronnax, and the calculation is easy to check. 仅仅这个数目，阿龙纳斯先生。并且，很容易用计算来证实。 Now then, I have supplementary ballast tanks capable of shippi
《海底两万里》中英双语有声读物
The temperature six miles up can be -70 degrees Fahrenheit, and you would need, or at least very much appreciate, supplementary oxygen. 10公里高空的温度会降至零下57摄氏度，你需要补充氧气，至少很希望这么做。 After you
万物简史
补考 make-up examination ; supplementary examination 双语例句 如果你去向他解释你父母那时生病了，你的数学老师会乐于给你一次补考机会的。 Your Math instructor would have been happy to give you a make-up examinat
英语口语