单词:reconstructed ion electropherogram
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Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer
The American Revolution - Program No. 11 From VOA Learning English, this is The Making of a Nation. American history in Special English. Im Steve Ember. This week in our series, we look at the start of the American Revolution. The road to revolution
Health Care Program for Seniors Emerges as Key Election Issue At the University Village Senior Living Community Clinic in Tampa, Florida, Hugh Clark gets his blood checked regularly. Having had heart problems, he relies on Medicare and opposes any pl
[00:00.00] unit 14 Mainly Revision [00:34.51]Ann___(not,watch)TV last night.The children__(go)to the farm last Saturday. [00:47.86]The boys__(meet)after school yesterday afternoon. [00:53.42]Mr Turner__(say)sorry to the conductor on the train because
The Declaration of Independence - Program No. 12 From VOA Learning English, this is The Making of a Nation American history in Special English. I'm Steve Ember. This week in our series, we continue the story of the American Revolution. The year was s
Astronauts Criticize US Space Program Retired Astronaut Eugene Cernan is one of just twelve men who walked on the moon. He currently holds the distinction of being the last man there. It is tremendously disappointing that I am here 40 years later and
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Michelle Norris: From NPR News, this is All Things Considered. I'm Michelle Norris. Robert Siegel: And I'm Robert Siegel. The 1918 flu virus that killed tens of millions of people around the world is back. Scientists have reconstructed it, using pie
Famous Dinosaur Chase Reconstructed in 3-D 3D技术还原著名恐龙形象 A British research team has used 3-D imaging to reconstruct the entire route of the most famous fossilized dinosaur tracks ever, a so-called chase scene that was broken up an
Making of a Nation: Southern Expansion - Program No. 7 From VOA Learning English, this is The Making of a Nation American history in Special English. Im Steve Ember. This week in our series, we finish the story of the first thirteen American colonies
How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known
EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today
By Zulima Palacio Washington 26 September 2007 The organization that runs George Washington's estate near Washington, D.C. opened to the public a typical slave cabin from the 18th century. Most of those present at the dedication say the tiny house br
Bikeshare Program Makes Cycling Lifestyle Easy This is one of the many Bikeshare locations in southeast Washington. Renting a bike is as easy as 1.2.3. All you have to do is put in your credit card. Once the card is accepted, select the type of membe
USAID Democracy Programs Can Complicate International Relations After the collapse of the Soviet Union, the leaders of Russia asked the U.S. for assistance in building a democracy and a market economy. Over the past 20 years, election-monitoring grou
Walking Program Pairs Patients with Doctors These days Mary Halpin loves to walk. This walk is just giving me life, you know. 6 years ago, Halpin could barely walk half a block. Now she can go 20 times longer. Depending upon the block, it can be betw
President-elect Barack Obama says Washington must take dramatic action to combat the current economic recession. Mr. Obama, just days before his inauguration next Tuesday, says businesses like those producing alternative energy can play a major role
US Agriculture Industry Opposes Changes to Food Aid Program Plano, Illinois, farmer Bill Wykes has been behind the wheel of a tractor for almost four decades, planting and harvesting corn and soybeans on land his family has owned even longer. Through
Secretary of State Colin Powell says it is increasingly likely that the issue of Iran's nuclear program will have to be referred to the U.N. Security Council for possible sanctions. Speaking to reporters in Kuwait, the latest stop on his trip to the
LONDON, April 26 (Xinhua) -- Program for the London 2012 Festival to celebrate the Olympic and Paralympic Games was announced on Thursday. The 12-week festival, from June 21 to September 9, will draw together more than 25,000 artists from all 204 com