前置液酸化

Earth and Sky:Acid Rain 酸雨

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(147) / 评论(0)

(科普英语)Earth and Sky

新西兰英语 713 Fracking

What is fracking? It is a way of getting gas or oil from inside rock, deep underground. Mining companies break the rock using water. This week, the Commissioner for the Environment gave a report on fracking in New Zealand. She said that the mining co

发表于:2018-12-31 / 阅读(49) / 评论(0)

新西兰英语

知性英语－Acid rain 酸雨

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(182) / 评论(0)

知性英语

VOA标准英语2012--Technology Developed in Texas Expands Natural Gas Production

Technology Developed in Texas Expands Natural Gas Production LEAM Drilling Systems, in Conroe, Texas, runs its trucks on compressed natural gas, or CNG. LEAM Vice President Scott Bradley said cheap natural gas makes the company's 18 CNG trucks a good

发表于:2019-01-13 / 阅读(55) / 评论(0)

VOA标准英语2012年(六月)

VOA标准英语2012--Study: No Evidence Hydraulic Fracturing Pollutes Water

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(76) / 评论(0)

VOA标准英语2012年(二月)

NBA star Varejao ready for Olympics

RIO DE JANEIRO, May 21 (Xinhua) -- Cleveland Cavaliers center Anderson Varejao says he is over his injury problems and ready to lead Brazil's quest for gold in the London Olympics men's basketball tournament. Having been one of the NBA's star perform

发表于:2019-02-07 / 阅读(62) / 评论(0)

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