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These holes are the unmistakable hallmark of a violent death. Their shape suggest they were made by the teeth of a big cat, but which one? Today theres only one large cat in the region, the Florida panther. Though similar to the cougar at the western
探索与发现2012年
But how did one man and a spear produce the huge force behind this blow? The answer lies with small bits of ivory like this. They were once part of an atlatl, or spear thrower. An atlatl acts as a sort of catapult, magnifying the strength of a hunter
探索与发现2012年
Welcome to Antarctica, said Annie. Jack and Annie were bundled in cold-weather gear. They both wore snow pants, gloves, boots withspikes, and thick red parkas with hoods. Gogglescovered their eyes, and wool masks covered theirmouths and noses. A hike
汪培珽儿童英文分级书单《神奇树屋》
Benedict Bids Farewell; Cardinals Face A Difficult Choice Pope Benedict is bidding farewell and preparing for the time when he will no longer lead the world's 1.2 billion Catholics. But Vatican officials say that as pope emeritus he will still wear a
VOA标准英语2013年(三月)
文本： Ah! Is air the secret ingredient in soft ice cream? Lets hear it again. _Air? _Air. _Yes. Air gives ice cream that unique light,fluffy texture, and thats the secret of making creamy ice cream. You need small ice crystal and small air bubble
跟着英剧练发音
During the last ice age, rapid swings in temperature occurred within decades or less, meaning populations of organisms had to adjust quickly to new environments or face extinction. 在最后一个冰河世纪中，温度在数十年甚至更短的时间
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Police in Washington Arrest Alleged Suicide Bomber All across the grounds of the U.S. Capitol, police kept watch, wary after officials said they had foiled a plot - a plot that would have struck at the heart of the U.S. government. Police say 29-year
VOA标准英语2012年(二月)
KELLY MCEVERS, HOST: Immigration and Customs Enforcement has arrested hundreds of parents who are in the country illegally. They are suspected of paying smugglers to bring their children to the U.S. Federal officials say those parents are putting the
2017年NPR美国国家公共电台8月
By David Gollust Santiago 11 March 2006 Secretary of State Condoleezza Rice is in Chile for the inauguration of the South American country's president-elect Michelle Bachelet. On the sidelines of the
2006年VOA标准英语（三月）
By David Gollust State Department 05 April 2006 Secretary of State Condoleezza Rice went to Congress Wednesday to defend the Bush administration's nuclear accord with India, which she said is a
2006年VOA标准英语（四月）
By David Gollust Washington 13 April 2006 Secretary of State Condoleezza Rice said Thursday the world community cannot afford to wait in dealing with the violence in Sudan's western Darfur region, inc
2006年VOA标准英语（四月）
By Margaret Besheer Washington 08 December 2007 The U.S. Justice Department and the Central Inteligence Agency (CIA) announced Saturday that they would open an investigation into the spy agency's destruction of videotapes that showed the interrogatio
VOA常速英语2007年（十二月）
By David Gollust State Department 07 February 2007 U.S. Secretary of State Condoleezza Rice said Wednesday the policies of Venezuela's populist leader Hugo Chavez are destroying the South American country. In congressional testimony, Rice said the o
2007年VOA标准英语（二月）
By David Gollust State Department 11 January 2007 Secretary of State Condoleezza Rice Thursday resisted calls for U.S. outreach to Iran and Syria over what the Bush administration sees as efforts by those countries to destabilize Iraq. In Senate tes
2007年VOA标准英语（一月）
Former Vice President Al Gore is challenging the United States to produce all of its electricity through wind power, solar power and other environmentally friendly sources within 10 years. Gore said the transition would not only help resolve America
VOA标准英语2008年（七月）
By Paula Wolfson White House 16 July 2006 Secretary of State Condoleezza Rice says she wants to see a sustainable ceasefire in the Middle East. But , the Bush administration says peace will not come, as long as Hezbollah remains an armed threat to I
2006年VOA标准英语（七月）
By Jim Randle Irbil, Iraq 05 October 2006 U.S. Secretary of State Condoleezza Rice made a surprise visit to Baghdad to meet with Iraqi and U.S. officials on ways to quell violence in Iraq. Condoleezza Rice (left) with Iraqi PM al-Maliki, right, in B
2006年VOA标准英语（十月）
By Michael Bowman White House 04 May 2006 President Bush says the United States remains committed to promoting justice and prosperity in Latin America, and is backing its words with actions and aid. M
2006年VOA标准英语（五月）
Melting Ice In Greenland Could Expose Serious Pollutants From Buried Army Base KELLY MCEVERS, HOST: Buried below the ice sheet that covers most of Greenland, there is an abandoned U.S. Army Base. Camp Century had trucks and tunnels - even a nuclear r
2016年NPR美国国家公共电台8月
Adrina: So this is your new home office. Its nice. Victor: Its functional , and I like it. When my company decided to lower its overhead by decentralizing , it gave employees the option to work from home. When I heard that, I didnt think twice about
地道美语播客