标签：Heliconius 相关文章
From NPR News in Washington, I am Jack Speer. Top leaders in the Senate under increasing pressure to do something about the rising number of foreclosures in the housing market opted to put aside some of their differences today and get moving on a pl
2008年NPR美国国家公共电台四月
1. Senator John Mccain says he is confident the US is doing all it can to learn what happened to Robert Levinson in Iran. But he is disturbed that Obama administration hasn't been more forthcoming and the Associated Press investigation published this
美联社新闻一分钟2013(十二月)
This is AP News Minute. Parades and marches are being held across the country to remember slain civil rights leader Martin Luther King Jr. Crowds and community pride events were held from New York City to Washington D.C. The civil rights icon was ass
美联社新闻一分钟2015(一)月
The death of a 'king' and the birth of a star are just two events which shaped this year's pop music landscape. Ray McDonald | Washington 23 December 2009 April 11, 2009: 48-year-old Susan Boyle first appeared on the TV show Britain's Got Talent, del
VOA标准英语2009年(十二月)
Cold War Films Reflected Shifting US Attitudes In 1946 speech, British Prime Minister Winston Churchill coined the term Iron Curtain to describe the physical and symbolic wall separating East and West across Europe. Churchill's speech signaled the be
VOA标准英语2011年(十二月)
Osama bin Laden Gone But Not Forgotten in Pakistan Osama bin Laden's life on the run lasted nearly 10 years after the September 11, 2001 attacks on the United States. The man who became a global symbol of anti-Western militant Islam was finally found
VOA标准英语2013年(五月)
From NPR News in Washington, I'm Lakshmi Singh. The Justice Department is ordering a criminal investigation into reports that the IRS targeted conservative groups for extra scrutiny, it applied for tax-exempt status. Attorney General Eric Holder says
2013年NPR美国国家公共电台5月
June 14th, 1940During World War II, Paris falls into Nazi hands, as German troops enter France's capital. That same day, in German occupied Poland, the Nazis open a concentration camp, at Auschwitz. 1985,Shiite Muslim militants hijack TWA Flight 847
历史上的今天-2011年
September 30th, 1946Judgment in the German city of Nuremberg more than a year after World War II ends. That's where an international military tribunal finds nearly two dozen top Nazi leaders guilty of war crimes. More than half are sentenced to death
历史上的今天-2010年
October 4th, 1957Dawn of the Space Age, as the Soviet Union launches Sputnik, the first man-made satellite, into orbit. 1993A bloody battle in Somalia's capital, Mogadishu. Two US Blackhawk helicopters are shot down, while gun battles rage between Am
历史上的今天-2010年
May 26th, 1940During World War II, hundreds of thousands of Allied troops begin their evacuation from Dunkirk, France. They escape Nazi Germany's advancing forces, making their way across the English Channel to Britain. 1868In Washington, President A
历史上的今天-2010年
May 26th 1940During World War II, hundreds of thousands of Allied troops begin their evacuation from Dunkirk, France. They escape Nazi Germany's advancing forces, making their way across the English Channel to Britain. 1868In Washington, President An
历史上的今天-2013年
May 26th 1940During World War II, hundreds of thousands of Allied troops begin their evacuation from Dunkirk, France. They escape Nazi Germany's advancing forces, making their way across the English Channel to Britain. 1868In Washington, President An
历史上的今天-2014年
Idiom: Out of whack ( not working correctly )一个东西不正常，出现问题 Hit the book： get accustomed to thrill spectacle prior to reclaim dignity invincibility ruthlessness New Zealanders have grown accustomed to the use of the Haka by sp
趣味青春英语
In Story ville, it didn't matter what you *, as long as you had cold hard cash. Luckily, there was a price point for everyone. -The business in New Orleans, we stratified and had a range of levels. There were low cripes where people might charge fift
探索与发现2014年
Butterfly Shows Speciation Sign A study in the journal Science looks at Heliconius butterflies in Ecuador, in which a single gene change that influences mate choice may be the first step in the splitting of the population into two species. Cynthia Gr
60秒科学
Top 5 Countdown for Week Ending Nov. 16 Were rolling out the five most popular songs in the Billboard Magazine Hot 100 pop singles chart, for the week ending November 16, 2013. History is made in this weeks Top Five, with one newcomer matching a 49-y
VOA常速英语2013年(十一月)
By Margaret Besheer Washington 18 August 2007 On Tuesday, suicide truck bombers killed at least 400 northern Iraqi villagers who belong to the Yazidi religious minority. Before now, little has been said about this Kurdish-speaking community living mo
2007年VOA标准英语（八月）
1．The Governor of Louisiana declares a state of emergency as an oil spill in the Gulf of Mexico creeps closer toward the shore, threatening wildlife. President Barack Obama says every single resource will be used to contain the spill. 2. Civil righ
美联社新闻一分钟2010(五月)
United Nations Secretary-General Ban Ki-moon is meeting with Burma's top military ruler, General Than Shwe. He is urging the general to release political prisoners, including opposition leader Aung San Suu Kyi. UN Secretary-General Ban Ki-moon (L)me
VOA标准英语2009年(七月)