单词：elements of the carbon group
单词：elements of the carbon group 相关文章
In business, gold has fallen to a six weeks low below 1490 US dollars an ounce partly of Greeces approved austerity package. The drop was also driven by falling oil prices and gains in the US dollar against a number of other currencies. Research comm
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Broadcast: Feb 7, 2003 By George Grow This is the VOA Special English ENVIRONMENT REPORT. A private North American group has launched an effort to reduce and trade releases of industrial gases linked
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As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la
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By Nancy-Amelia Collins Jakarta 09 October 2007 The international environmental organization Greenpeace has opened a forest defenders camp on Indonesia's Sumatra Island to bring global attention to the country's destruction of its forests. VOA's Nanc
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By Lisa Schlein Geneva 15 May 2007 A new report says that the world has more than enough sustainable energy and technology to curb climate change. But the group that issued the report, the World Wide Fund for Nature, WWF, warns key decisions have to
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Group of Eight leaders in Japan set a goal to cut global carbon emissions by at least half by 2050. Developing countries say rich nations have to take the lead. Transcript of radio broadcast: 11 July 2008 This is IN THE NEWS in VOA Special English.
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Feed the People or Save the Planet? 养活人口还是拯救地球? Americans are not eating as much meat as they used to. Price is certainly a major reason. But people also say there are other reasons, such as health and ethics. For the first time,
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JUDY WOODRUFF: Finally tonight: new estimates on the cost of climate change and the attention it's drawing about the potential economic effect in the U.S. For years, reports on climate change have largely been the province of scientists. But a new gr
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By David McAlary Washington 11 July 2006 Former dancer Ann Smith leads a stretch class at Munson Community Health Clinic in Traverse City New medical research shows that elderly people can prolong their lives without vigorous exercise. The study of
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A leading U.S. advocate for combating climate change has unveiled an ambitious plan to drastically slash global carbon emissions over the next 12 years, saying aggressive action is both necessary and feasible. VOA's Michael Bowman reports from Washi
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HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to
英语新闻
[Storyteller] The journey began The fearless heroes left Heading for a place Far oh far away They had to warn Alron The prince of the North Of the terrible danger That threatened all the lands He holds the secrets Of the black magic His weapon is The
英文摇滚歌曲
Nor does abundance necessarily relate to importance. 风度与重要程度也不一定有关系。 Carbon is only the fifteenth most common element, accounting for a very modest 0.048 percent of Earth's crust, but we would be lost without it. 碳只居
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What Is Fire? 火是物质燃烧过程中散发出光和热的现象，是能量释放的一种方式。火焰分为焰心、中焰和外焰，温度由内向外依次增高。燃烧过程必须有可燃物、燃点温度、氧化剂三项并存，缺一
英语听力文摘 English Digest