2010-10-07 所属栏目:英语听力材料

In industrialized countries, the number of people reaching retirement age is growing, while the number of working age people is declining.在工业化国家，退休人口的数量在递增，同时，工作人口的数量在递减

2010-10-07 所属栏目:英语听力材料

Palestinian Prime Minister Salam Fayyad is midway through an ambitious two-year effort to build his government's institutions in order to build a viable Palestinian state if peace negotiations with I

2010-10-07 所属栏目:英语听力材料

Just imagine. Every Sunday morning, in a large metropolis, 120 kilometers of roads are closed. Welcome to the beloved "ciclovia" as it's known in Bogota.It's a network of paths created 36 years ag

2010-10-07 所属栏目:英语听力材料

With regard to the intelligence's reports of threats, we are not going to comment on specific intelligence. As doing so threatens to undermine intelligence operations that are critical and protecting

2010-10-07 所属栏目:英语听力材料

The 2010 Nobel Prize in Chemistry goes to the University of Delaware’s Richard Heck, Purdue’s Ei-ichi Negishi and Hokkaido University’s Akira Suzuki for their work in developing new ways to synthes

2010-10-06 所属栏目:英语听力材料

旅游是人们为寻求精神上的愉快感受而进行的非定居性旅行和在游览过程中所发生的一切关系和现象的总和。Couchsurfing is a non-profit organization that connects travelers with locals together in about 230 coun

2010-10-06 所属栏目:英语听力材料

The 2010 Nobel Prize in Physics goes to the University of Manchester’s Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene. Ordinary so-called pencil

2010-10-06 所属栏目:英语听力材料

Recent public opinion surveys suggest that Democrats might be narrowing the gap with Republicans in the battle for control of Congress in the November 2 midterm elections.The latest poll from The Wash

2010-10-06 所属栏目:英语听力材料

U.S. voters will elect a new Congress on November 2, and public opinion polls indicate the domestic economy will be the top issue this year. Experts say foreign policy concerns do not appear to be a

2010-10-06 所属栏目:英语听力材料

During last year's global economic crisis, tens of thousands of Brazilian migrant workers were laid off in Japan. These manual laborers were there on special work visas given to descendants of Japane

2010-10-05 所属栏目:英语听力材料

世界博览会（Universal Expo，Expo 是Exposition的缩写; 也称World Fair或World's Fair)，是一个富有特色的讲坛，它鼓励人类发挥创造性和主动参与性。把科学性和情感结合起来，将有助于人类发展的新概念、新观念、新

2010-10-05 所属栏目:英语听力材料

Numerous studies have found a connection between education and the risk of heart disease and stroke. More educated people tend to have fewer heart attacks and other so-called cardiovascular events. Bu

2010-10-05 所属栏目:英语听力材料

UN agencies report that a decline in donor support, due to the current economic downturn, may compromise crucial programs for HIV/AIDS. The report was released before a meeting this week of major dono

2010-10-05 所属栏目:英语听力材料

What is concerning is if you look at what the forecast is, what the large manufacturers, the big market companies here in Japan, Toyotas,Panasonics,Canons. What they think about the fourth quarter is

2010-10-05 所属栏目:英语听力材料

The 2010 Nobel Prize in Physiology or Medicine goes to 85-year-old Robert Edwards of England, for the development of in vitro fertilization. The Karolinska Institute’s Christer Hoog:“Robert Edwards,

2010-10-04 所属栏目:英语听力材料

钠是矿物质的一种，是人体调节生理机能不可或缺的元素，对保证体内正常的生理、生化活动和功能，起着重要作用，摄取太少或缺乏时，会出现疲劳、虚弱、倦怠的现象。According to the Chinese Nutrition society, on a

2010-10-04 所属栏目:英语听力材料

In order to feed billions of people on Earth today – and the billions more expected by 2050 – we need a second Green Revolution. That’s according to Dr. Jonathan Lynch, professor of plant nutrition

2010-10-04 所属栏目:英语听力材料

Twenty years ago, Germany officially reunified, ending more than four decades of separation. The divide between East and West was social, economic and cultural, and Germany has invested billions of d

2010-10-04 所属栏目:英语听力材料

Scientists around the world predict that climate change will have dramatic effects on agriculture in the coming decades. So, too, will pests and pesticides, the loss of species and the need to increas

2010-10-03 所属栏目:英语听力材料

Advocates of liberal political positions have converged in the nation capital Saturday to express their concerns before Congressional elections in November. Many said they hoped Democrats will retain

2010-10-03 所属栏目:英语听力材料

Middle East peace talks remain in crisis after a decision by the Palestinian leadership.Palestinian President Mahmoud Abbas gathered leaders of the Palestine Liberation Organization in the West Bank t

2010-10-03 所属栏目:英语听力材料

Applause as North Korean Leader Kim Jong-il enters the Workers' Party Meeting in Pyongyang where the 68-year-old leader is reappointed Secretary General of the country's ruling party. Earlier the No

2010-10-02 所属栏目:英语听力材料

象是群居性动物，以家族为单位，由雌象做首领，每天活动的时间，行动路线，觅食地点，栖息场所等均听雌象指挥。而成年雄象只承担保卫家庭安全的责任。有时几个象群聚集起来，结成上百只大群。Wild elephants might o

2010-10-02 所属栏目:英语听力材料

Militants from Nigeria's oil-rich Niger Delta set off several small bombs in the capital during ceremonies marking the 50th anniversary of independence. Police in Nigeria say at least eight people ha

2010-10-02 所属栏目:英语听力材料

The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture.Now, scientists at Tufts University and the Massachusetts Institute of Technolo