单词：crystobalite
单词：crystobalite 相关文章
Asian giants want Western countries to take lead in reversing global warming, but are reluctant to accept legally binding cap on their emissions of greenhouse gases Anjana Pasricha | New Delhi 27 November 2009 Traditional Kashmiri boats make a forma
VOA标准英语2009年(十一月)
President Barack Obama and King Abdullah of Saudi Arabia, right, wave during a group photo at the G20 summit in Toronto, Sunday, June 27, 2010. Saudi Arabia's King Abdullah visits President Obama at the White House Tuesday with current tensions over
VOA标准英语2010年(六)月
26After the plague the Lord said to Moses and Eleazar son of Aaron, the priest, 2Take a census of the whole Israelite community by families-all those twenty years old or more who are able to serve in the army of Israel. 3So on the plains of Moab by t
民数记
By Melinda Smith Washington 29 October 2007 The World Health Organization says two and a half billion people in developing countries do not have access to simple latrines, and for at least one billion of them, finding safe drinking water is a daily s
2007年VOA常速英语（十月）
By Kane Farabaugh New York, NY 25 September 2006 watch Clinton Global Initiative For the second year, former President Bill Clinton is seizing an opportunity in New York. Inviting world leaders in town for the General Assembly to join business execu
2006年VOA标准英语（九月）
AS IT IS 2016-05-27 A Look at the Obamas New House President Barack Obama and his family will be moving to a mansion in Washington, D.C. after his term in office ends next January. Obama, his wife, Michelle, and their two daughters plan to live in a
2016年VOA慢速英语(六)月
As Democrats send presidential candidate Barack Obama off on his quest for the White House, the Republicans and their candidate, John McCain, are preparing for their national nominating convention, which begins Monday in Minneapolis-St. Paul, Minnes
VOA标准英语2008年（八月）
Presidential transitions always present the opportunity to reflect on the past and look toward the future, often at the same time. That is the case this week in Washington as preparations continue for Tuesday's inauguration of Barack Obama as the na
VOA标准英语2009年(一月)
Scientists say they have discovered a new gene among bacteria that are highly resistant to even the most powerful antibiotics. Experts say the superbug, originally found in India and other parts of South Asia, is showing up in patients in Europe and
VOA标准英语2010年(八)月
World Bank President Robert Zoellick says the outlook for the global economy remains uncertain, but China might help to foster global economic recovery. Robert Zoellick (File photo) World Bank President Zoellick spoke Tuesday to a global private equ
VOA标准英语2009年(五月)
Baby oysters could be the canaries in the mine shaft for another dimension of global warming. Pacific Northwest scientists are studying how the oceans suck in excess carbon dioxide from the atmosphere. The process changes seawater chemistry - locally
VOA标准英语2010年(十)月
By Sabina Castelfranco Rome 05 October 2007 Some 200 representatives of the world's religions will meet later this month in the southern Italian city of Naples to discuss a range of issues focusing on violence in the world. The meeting is being organ
2007年VOA常速英语（十月）
By Kent Klein Washington 27 April 2008 Senator Hillary Clinton is challenging her Democratic Party presidential rival, Senator Barack Obama, to a debate. The call is part of the escalating rhetoric between the two as they campaign in the central stat
VOA常速英语2008年（四月）
By Eve Troeh Los Angeles 22 February 2008 Barack Obama garnered his 11th consecutive primary win this week, when Democrats Abroad announced from Geneva, Switzerland, that the Illinois senator had won the party's Global Primary. Obama got about 65 per
VOA常速英语2008年（二月）
U.S. President Barack Obama and his wife Michelle have spent the day in London with Britain's royal family. It was the start of President Obama's first state visit to Britain and it may bolster the longtime relationship between Britain and the United
英语新闻
By Mike O'Sullivan Palmdale, California 06 September 2006 Engineers in the California desert are testing a new communications platform that blends modern electronics with old technology. Developers say a helium-filled balloon carrying high-tech equi
2006年VOA标准英语（九月）
U.S. President Barack Obama and his wife, Michelle on Saturday wished Americans a Merry Christmas and thanked the U.S. troops and their families for their service. In his weekly address, the president was joined by the first lady in asking Americans
英语新闻
President Barack Obama joined thousands of children and their parents Monday for an American springtime tradition - the White House Easter Egg roll. Special guests at this year's lawn party included the Easter Bunny and U.S. Olympic champions. And as
英语新闻
Topics: Preventing Violence in Schools Post Columbine; American Territories: U.S. Virgin Islands; although versus even though; lite; rate versus rank Words: campus massacre outcast bullied minor to claim clique to retaliate Caribbean inhabitant exoti
美语听力 English Cafe
Because we can't see into the Earth, we have to use other techniques, which mostly involve reading waves as they travel through the interior. 我们无法看到地球的深处，因此不得不使用别的方法，主要包括观察波在地球内部的
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