单词:carbon-sulfur ratio
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11 布什否决限制二氧化碳排放议案 DATE=3/23/01 TITLE=ENVIRONMENT REPORT - Bush Rejects Carbon Dioxide Limits BYLINE=Cynthia Kirk (Start at 59
To better know their carbon footprint, a group of Australian landowners are doing their own calculations on what climate change could mean for them. They're looking at ways to improve yields and efficiency in their respective industries while lowerin
This is the VOA Special English Economics Report. One of the top issues this week at the World Economic Forum in Davos, Switzerland, was climate change. But the business and political leaders gathered for the yearly event in the Swiss Alps were not t
Language Points 1.Your coffee comes exactly as you like it, with the precisely right ratio of cream to sugar 2.You make all the stop lights when youre in a hurry 3.You come back from the bathroom at a restaurant and your delicious meal is already at
Item eight. Vocabulary. fossil, molecule, hydrogen, carbon, sulfur. Petroleum has been important since ancient times. In Latin, the name means rock oil. Petroleum is a fossil fuel. The liquid comes from the remains of plants and animals that died mil
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AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, our guest is Professor Rob Jackson, director of the Global Change Center at Duke University. He's with us to explain some of the language of ecology and climate change. RS: And we
图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t
图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt
新托福写作范文素材:种树与保护环境 1 While you probably think about planting trees for Arbor Day, you may not know justhow much of an impact tree planting can have on your lawn and energy consumption as well as the environment. Trees
China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola
U.S. Determined To Fight Climate Change 美国决心应对气候变化 Combating global climate change is a top priority of the Administration of President Barack Obama. 对付气候变化是巴拉克奥巴马总统政府的重中之重。 The United
BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up
The People's Bank of China says the economy is still facing downward pressure. Meanwhile, the global financial market has shown major fluctuations recently. Therefore, the central bank has concluded that it's necessary to apply flexible monetary poli
Speaking on environmental protection, Premier Li Keqiang called improving the environment a battle and listed the major targets for this year. We will fight to win the battle of conserving energy, reducing emissions. and improving the environment, Li
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, our guest is Professor Rob Jackson, director of the Global Change Center at Duke University. He's with us to explain some of the language of ecology and climate change. RS: And we
China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem
世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?