But most significant of all, the jaguar has a tell-tale trademark. Instead of going for the neck or snout like most cats do, it kills with a crushing bite through the skull into the brain. This makes the jaguar prime suspect in this case. Even the gl

发表于:2018-12-03 / 阅读(47) / 评论(0) 分类 探索与发现2012年

At first sight, manatees might look like seals or dolphins. But in fact, some of their closest relatives live on land. These toenails are the giveaway, remarkably similar to those of elephants. 13,000 years ago, two other members of the elephant fami

发表于:2018-12-03 / 阅读(61) / 评论(0) 分类 探索与发现2012年

This is the Virginia opossum, a tree dweller found throughout many of the southern states. It's the only North American marsupial. The young are born premature and matured in the mother's pouch. And its only close relatives today are found in Central

发表于:2018-12-27 / 阅读(61) / 评论(0) 分类 探索与发现2013年

By Barry Unger Washington, DC 26 July 2006 watch Internship report Each summer, thousands of college students flock to Washington to work as interns. Some contact their congressional representative or senator to volunteer on Capitol Hill. Others do

发表于:2019-01-06 / 阅读(149) / 评论(0) 分类 2006年VOA标准英语(七月)

By Michael Drudge London 07 March 2006 The population of Europe is aging faster than that of any other continent. In the coming decades, there will be only two workers or fewer for every retiree, putt

发表于:2019-01-07 / 阅读(158) / 评论(0) 分类 2006年VOA标准英语(三月)

By Lisa Bryant Paris 22 November 2006 France's top anti-terrorist judge has requested arrest warrants against nine senior Rwandan officials linked to a 1994 attack that killed former Rwandan President Juvenal Habyarimana. The warrants, which are exp

发表于:2019-01-12 / 阅读(112) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Lauren Comiteau The Hague 27 February 2006 Bosnian survivors demonstrate, carrying banners bearing the names of each of the more than 8,000 victims of the 1995 massacre at Srebrenica, outside the P

发表于:2019-01-13 / 阅读(117) / 评论(0) 分类 2006年VOA标准英语(二月)

By David Byrd Fairfax, Virginia 29 March 2006 They have beaten three former national champions on their way to U.S. college basketball's

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 2006年VOA标准英语(三月)

Death of US College Band Member Spotlights Hazing The Florida AM University marching band is among the best in the country. Its highly regarded reputation, however, is now badly tarnished amid allegations of a widespread hazing scandal. No one could

发表于:2019-01-13 / 阅读(69) / 评论(0) 分类 VOA标准英语2012年(五月)

According to three former senior U.S. government officials, one of the central foreign policy questions facing the incoming Obama administration will be how to deal with a resurgent Russia. Most experts agree that relations between Washington and Mo

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2009年(一月)

Many Unknowns about Future Climate Change Effects Scientists say many of the long-term effects of rising temperatures are still unknown. Theyre discussing the problem at the U.N. climate change conference in Durban, South Africa. Researchers say clim

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 VOA标准英语2011年(十二月)

Gorbachev's Foreign Policy Changed Map of Europe This month marks the 20th anniversary of the collapse of the Soviet Union. It was the foreign policy of Mikhail Gorbachev, the last Soviet leader, that contributed to the demise of the Soviet Union. Mi

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 VOA标准英语2011年(十二月)

Climate Change Threatens World Food Production Higher temperatures and changing rainfall patterns resulting from global climate change will threaten food production in many parts of the world - especially regions in the tropics already struggling wit

发表于:2019-01-14 / 阅读(64) / 评论(0) 分类 VOA标准英语2011年(六月)

Colleges Dangle Perks to Attract Students Many American high-school students worry about getting into college. And their parents worry about paying the tuition bills. And - except for crme de la crme schools that can pick and choose whom to admit - m

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2011年(五月)

Developing Countries Want Rich Nations to Pay for Climate Change Delegates from nearly 200 countries - rich and poor - are in Doha to extend the Kyoto Protocol, the 1997 global climate change agreement that expires at the end of this month, and to be

发表于:2019-01-14 / 阅读(197) / 评论(0) 分类 VOA标准英语2012年(十二月)

Hearing-Impaired Students at Gallaudet Enjoy Top College Experience I think it's about family loyalty. In America, they don't have the same type of loyalty. Maybe loyalty is the wrong word. Maybe it's more like independence, said one student speaking

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2013年(二月)

In the heat of the day, hunters can afford to slow down and rest in the shade. Its one of the advantages of a high-protein diet. Llamas originated here in North America are the regular visitors to the spring. The strange-looking tapir is common too.

发表于:2019-01-23 / 阅读(65) / 评论(0) 分类 探索与发现2013年

By Stephanie Ho Washington 13 March 2006 A federal judge has ordered a temporary halt in the sentencing trial of Zacarias Moussaoui, the only person charged in the United States in connection with the

发表于:2019-01-30 / 阅读(125) / 评论(0) 分类 2006年VOA标准英语(三月)

By Jim Malone Washington 11 January 2007 Reaction in Congress and among the American public suggests President Bush has an uphill battle in trying to win support for his new strategy in Iraq, a strategy that includes deploying more than 21,000 addit

发表于:2019-02-02 / 阅读(128) / 评论(0) 分类 2007年VOA标准英语(一月)

By Leta Hong Fincher Washington, DC 18 July 2006 watch Policy Crises report The Bush administration is facing a series of simultaneous foreign policy crises from the Middle East to the Korean peninsula. The U.S. military is already heavily committed

发表于:2019-02-03 / 阅读(127) / 评论(0) 分类 2006年VOA标准英语(七月)