If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

发表于:2018-11-28 / 阅读(269) / 评论(0) 分类 新概念优美背诵短文50篇

Professor Stephen McCaffrey was named 2017 Stockholm Water Prize on March. 22. 2017. [Photo: SIWI] American Professor Stephen McCaffrey has won 2017 Stockholm Water Prize for his unparalleled contribution to the evolution and progressive realization

发表于:2018-12-02 / 阅读(74) / 评论(0) 分类 2017CRI中国国际广播电台

KELLY MCEVERS, HOST: Nearly 60 million emergency meals and more than 30 million gallons of water - that is what FEMA has delivered to people in Puerto Rico since Hurricane Maria hit in September. But now the agency is about to shut down the direct de

发表于:2018-12-02 / 阅读(63) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Agriculture Report - Water Problems and the World 农业报道 - 水问题对全球影响 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 A new American intelligence report says water-related probl

发表于:2018-12-16 / 阅读(42) / 评论(0) 分类 2012年VOA慢速英语(三)月

恶水上的大桥 Bridge Over Troubled Water Paul Simon 听到一首福音歌曲 ,里面有句歌词很动人∶如果你相信上帝、呼唤他的名字,他会在深不见底的河流上为你建造一座大桥。由此产生灵感,Paul Simo

发表于:2019-01-10 / 阅读(57) / 评论(0) 分类 99首适合练习听力的英文歌

Technology Report - Bright Idea: Light Bulbs From Plastic Bottles, Water and Bleach 科技报道 - 水、漂白剂和塑料瓶构成的水灯泡 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Nearl

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2012年VOA慢速英语(一)月

By Paul Sisco Washington, DC 20 September 2006 watch Deepwater Oil Super computers, mathematical formulas, and advances in imaging all played a part in a much-publicized recent oil discovery beneath the Gulf of Mexico. ----- Consider the idea of dri

发表于:2019-01-12 / 阅读(99) / 评论(0) 分类 2006年VOA标准英语(九月)

By Jessica Berman Washington 29 May 2008 As the newly deployed Phoenix spacecraft begins its mission in search of life near Mars' northern pole, scientists say an analysis of Martian deposits suggest there was once water on the planet, but it was too

发表于:2019-01-13 / 阅读(55) / 评论(0) 分类 VOA标准英语2008年(五月)

Using Ingenuity to Combat Global Water Crisis Much of the work goes on in Well Dones headquarters building south of San Francisco. Designers work to create compelling logos and user-friendly web layouts to spread the word on global water shortages. T

发表于:2019-01-13 / 阅读(32) / 评论(0) 分类 VOA标准英语2012年(一月)

Study: No Evidence Hydraulic Fracturing Pollutes Water A new study finds no evidence that the controversial practice to extract natural gas known as hydraulic fracturing is contaminating ground water. The report, Separating Fact from Fiction in Shale

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 VOA标准英语2012年(二月)

Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 VOA标准英语2014年(七月)

Scientists Ponder 'Epoch' of Damage to Global Water System Scientists say a new geologic epoch has begun whereby humans are causing major damage to global water systems. They warn of a planetary transformation comparable to the retreat of the glacier

发表于:2019-01-14 / 阅读(48) / 评论(0) 分类 VOA标准英语2013年(五月)

DAVID GREENE, HOST: And let's talk about another issue that has been on President Trump's agenda. He's been promising to invest in infrastructure. And many hope that includes pipes for drinking water. A group of civil engineers last week gave the cou

发表于:2019-01-16 / 阅读(47) / 评论(0) 分类 2017年NPR美国国家公共电台3月

AUDIE CORNISH, HOST: It's been two years since the peak of the drinking water crisis in Flint, Mich. The state has spent more than $16 million to distribute free bottled water to residents. That program ends this week even as some residents say they

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 2018年NPR美国国家公共电台4月

AUDIE CORNISH, HOST: Today marks exactly one year since the mayor of Flint, Mich., declared a state of emergency because of lead in the city's drinking water. While the water system as a whole is improving, Michigan Radio's Lindsey Smith reports filt

发表于:2019-01-16 / 阅读(61) / 评论(0) 分类 2016年NPR美国国家公共电台12月

ARI SHAPIRO, HOST: More than a third of the Navajo Nation lacks running water. And in some of the places with running water, people don't want to drink it. They say it smells, tastes funny and looks bad. Laurel Morales of member station KJZZ has more

发表于:2019-01-17 / 阅读(49) / 评论(0) 分类 2017年NPR美国国家公共电台4月

With 'Hell Or High Water,' Jeff Bridges Returns To The American West FARAI CHIDEYA, HOST: Jeff Bridges became a cult hero playing The Dude in The Big Lebowski, but he's made a career in movies set in the American West. He was Rooster Cogburn in the C

发表于:2019-01-17 / 阅读(40) / 评论(0) 分类 2016年NPR美国国家公共电台8月

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(103) / 评论(0) 分类 2007年VOA标准英语(五月)

By Greg Flakus Mexico City, Mexico 07 April 2006 watch Waterless Toilet report At the recently held Fourth World Water Forum in Mexico City, hundreds of governmental agencies, international organizati

发表于:2019-02-03 / 阅读(138) / 评论(0) 分类 2006年VOA标准英语(四月)

By Anjana Pasricha New Delhi 07 February 2007 Pro Karnataka protest against the verdict of Cauvery water dispute in Bangalore, India, 5 Feb 2007 India's southern state of Karnataka is suffering sporadic protests over a recent ruling on a century-old

发表于:2019-02-05 / 阅读(85) / 评论(0) 分类 2007年VOA标准英语(二月)