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DNA研究可揭示年龄
Saliva contains many useful components. Lubricants. Enzymes for breaking down food. And now, compounds that can reveal a person’s age. That’s according to a study in the journal Public Library of Sc
英语听力材料2011-06-23 -
CEO为筹善款集体露宿街头
当我们每晚在自己的家中安然入睡的时候，可否想到那些无家可归的人们？在澳大利亚，有这么一群CEO， 在百忙之中选择了一年一度的圣文尼CEO露宿慈善活动——露宿街头，体验这种无家可归流浪者的感受。于是，16日晚悉尼
英语听力材料2011-06-22 -
暴雨洪水过后 食品价格飙升
JACKI LYDEN, LYDEN: Throughout the spring, U.S. farmers faced floods, tornados, downpours and droughts - everything but locusts（蝗虫）. All of that bad weather made planting difficult. Now in June, i
英语听力材料2011-06-22 -
日本上班族流行海滩花衬衫
STEVE INSKEEP, host: And let's travel next to Japan, which has been struggling with power shortages since the earthquake and tsunami that crippled the Fukushima nuclear plant. To save electricity, th
英语听力材料2011-06-22 -
逆境中如何塑造社会文明
RENEE MONTAGNE, host: You could say countries have personalities just like people do. Researchers set out to define those differences using a scale that measures how tight the social rules and standar
英语听力材料2011-06-22 -
暴雨带来洪水肆虐与争议
This spring, so-called “100-year floods” swamped many communities along the Mississippi River, America’s largest commercial waterway.The flooding was so severe that the U.S. Corps of Engineers, whi
英语听力材料2011-06-22 -
阿富汗经历给小说的启示
"Farishta" means 'angel' in Dari, the widely spoken language in northern Afghanistan. It’s also the title of a novel by Patricia McArdle, a retired American diplomat who spent a year in Afghanistan
英语听力材料2011-06-22 -
美国人尝试把汽车租给陌生人
Americans love their cars. There are more cars, per capita, in the United States than in any other country - more than eight cars for every 10 Americans, according to recent government figures.But mos
英语听力材料2011-06-21 -
新一代革命性环境主义
Environmental activists have relied on public pressure, boycotts and confrontation to advance their cause over the past few decades. Now, a new generation of eco-warriors is revolutionizing environmen
英语听力材料2011-06-21 -
奥巴马周三宣布阿富汗撤军计划
The White House says President Barack Obama will announce his decision on the size and pace of a U.S. troop drawdown in Afghanistan on Wednesday. It will come amid intensified national war-weariness
英语听力材料2011-06-21 -
威廉王子夫妇度完蜜月归来
The couple among many celebrities of a lavish fund-raising dinner at Kensington Palace, tickets cost 10,000 pounds a head for the charity gala. Prince William spoke about what the cause meant to him."
英语听力材料2011-06-21 -
被活埋的小狗幸运得救
They found Star by chance, just in time. These animal welfare officers in Malta had been dealing with a separate case of an abandoned dog when they heard whimpering under the ground. They followed the
英语听力材料2011-06-21 -
摇摆床增加睡眠时大脑活跃度
You’re lying in a hammock by a breezy shore. The hammock rocks softly back and forth. In no time…(snoring). It turns out that’s not just the relaxation of being on vacation that’s bringing on slee
英语听力材料2011-06-21 -
短期理财 如何生财有道?
近来很多市民将手中的闲余资金转投各大银行推出的一些短期理财产品。和其他理财产品相比较，短期理财产品最主要的特点就是资金的流动性好，与银行存款相比，风险和利息稍高……The current annual interest rate for
英语听力材料2011-06-20 -
吃醋也有大学问
提到醋，你会想到些什么呢？深褐色液体，略带有些清亮，打开瓶盖时一阵酸味扑鼻，不仅有助于消化，还可以养颜美容……When you mention the province of Shanxi to Chinese people, one of the first things that co
英语听力材料2011-06-20 -
手机进入世卫组织的致癌名单
ROBERT SIEGEL, host: The World Health Organization has added cell phones to its very long list of things that could possibly cause cancer. The conclusion is far from definitive, but scientists reviewe
英语听力材料2011-06-20 -
儿子过逝后 父亲完成两人合作的书
SCOTT SIMON, host: Darrell Griffin Sr. will spend Memorial Day（美国阵亡将士纪念日） at a cemetery in the Los Angeles area remembering his son, Army Staff Sergeant Darrell Griffin Jr., who was killed
英语听力材料2011-06-20 -
国际货币基金组织总裁职位之争
The race to become the next head of the International Monetary Fund is now officially a two-way race after the IMF board disqualified the Bank of Israel's Stanley Fischer on Monday. Analysts say Fren
英语听力材料2011-06-20 -
英国前首相呼吁增加在塞拉利昂投资
Former British Prime Minister Tony Blair said he came to Sierra Leone to follow up on his initiatives to help the country."This is all part of the initiative we have here in Sierra Leone working along
英语听力材料2011-06-20 -
美国大部分地区人均寿命下降
The obesity epidemic is not just an American health issue. New data from the World Health Organization show that more than 1 billion adults around the world are overweight, nearly a third of them obe
英语听力材料2011-06-19 -
泰坦尼克号展览带出悲惨的故事
When the ocean liner RMS Titanic hit an iceberg and sank on its maiden voyage in 1912, more than 1,500 passengers died. It made headlines as one of the worst peacetime maritime disasters in history. T
英语听力材料2011-06-19 -
卡扎菲给士兵分发伟哥?
--There are allegations that leader Muammar Gaddafi’s troops have been using rape as a tool of war. And the International Criminal Court is gathering evidence that Libyan leadership has acquired a l
英语听力材料2011-06-19 -
让动荡的也门稳定下来有何选择?
Yemen's president Ali Abdullah Saleh, lies in a hospital bed in neighboring Saudi Arabia, "severely burned", US officials say, "hit with shrapnel in an attack on his presidential palace." With Yemen
英语听力材料2011-06-19 -
2011年，哪个国家最和平?
MARY LOUISE KELLY, host: The world became slightly less peaceful in the last year. That's according to the new Global Peace Index, which attempts to rank 153 countries. Number one this year, Iceland.
英语听力材料2011-06-18 -
基因检测确定患者病因
About a decade ago, scientists decoded the human genome, creating a gene-by-gene map of our DNA. In the decade since, genetic research has accelerated, but mostly it's stayed in the laboratory. Now,
英语听力材料2011-06-18
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