SSS 2008-08-29

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

VOA慢速英语2010年-Health Report - Hand Washing Is Up in

This is the VOA Special English Health Report. Every few years, two groups do a study of how many Americans wash their hands after using the toilet. These groups are the American Society for Microbiology and the American Cleaning Institute, formerly

北美小学生英语一年级教材: 第11课 I'm Titch

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

英语课程计划-World Hepatitis Day

World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r

学个词 Learn a Word-VOA英语教学 3115 tit for tat

今天我们要学的词是tit-for-tat. Tit-for-tat意思是针锋相对，以牙还牙。Islamist militants' attacks and tit-for-tat violence between rival ethnic groups have cast doubt on Mali's upcoming elections. 伊斯兰国激进分子的袭击和

NASA Reveals Close-Up Images of Saturn's Mysterious Moon Tit

By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr

SSS 2009-08-12

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

VOA标准英语2010年-New Audits Cite Lax Oversight of US Co

The U.S. Special Inspector General for Iraq Reconstruction has criticized the State Department for its management of nearly $3 billion in contracts and grants in Iraq. In two reports, auditors cited weak and ineffective State Department oversight of

VOA标准英语2010年-US Government Considering Genetically

The US government is considering, for the first time, the approval of a genetically-modified animal for human consumption. The animal being considered is salmon, but approval could open the door for other animals as well. Those who favor the move say

VOA标准英语2010年-Stomach Cancer on Rise Among Certain Y

Stomach cancer is one of the deadliest diseases, and ranks second among cancers worldwide with at least 800,000 deaths yearly. But in the United States, the number of cases has been declining, except for among one group of Americans. Glenda Reimer, h

VOA标准英语2010年-Fruit Flies Could Unlock Mystery of Al

At Scripps Research Institute in Jupiter, Florida, scientists are working to find clues about how the human brain processes memories. Their laboratory test animal is not a chimp or a dog or a rat animals that we know can remember things it is the com

VOA慢速英语2010年-Development Report - Cancer May Soon B

This is the VOA Special English Development Report. Health experts predict that soon, more people will die from cancer than from AIDS, tuberculosis and malaria combined. They expect that by two thousand ten, cancer will become the world's leading cau

VOA标准英语2010年-Early Signs of Glaucoma Show up in Bra

Glaucoma is the leading cause of irreversible loss of vision worldwide and now doctors believe the devastating disease begins in the brain and not in the eye as has long been thought. Dr. David Calkins, director of research at the Vanderbilt Eye Inst

英语小达人 372 Tit for Tat

Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But

Johns Hopkins Malaria Institute

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学个词Learn a Word 第253期 Multitasking

今天我们要学的词是multitasking。 Multitasking, 原本是计算机术语，指多重任务同时处理，现在已经被沿用到日常生活中，指同时干很多事情。现在的美国中学生，一边写作业，一边听音乐，还要

学个词Learn a Word 第1008期 Overrated

今天我们要学的词是overrated。 Overrated意思是评价、估计过高的。在美国大学里，教授表现主要由学生打分，但最近一项研究发现， Highly rated professors are in fact overrated, 学生认为最棒的教授事实

Offering Substitute　提供代用品

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

英语歌曲:Complicated

complicated Uh Huh Life's like this 生活它就是这个样子 Uh Huh Uh Huh That's the way it is 就是这个方式 Cause life's like this 因为生活就是这样子 Uh Huh Uh Huh That's the way it is 这就是生活的方式 Chill out What you ye

女性容貌决定职场成败？！

Its all about image. Goodlooking bosses were found to be more competent, collaborative and better delegators than their less attractive counterparts, and most women believe they are judged in the workplace on the basis of their looks. 形象仍然有决