单词:lead-colored bush tit
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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.
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
By Paula Wolfson White House 31 May 2007 President Bush is focusing on U.S. aid to Africa in the days leading up to the Group of Eight Summit in Germany. VOA's Paula Wolfson reports from the White House . President Bush wears an AIDS awareness pin on
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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
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
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
By Jim Malone Washington 20 June 2008 Recent public opinion polls in the U.S. presidential race give Democrat Barack Obama a lead over Republican John McCain. But the lead is less than expected given some Democratic advantages this election year. VO
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
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
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
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
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
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
72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0
By Mil Arcega Washington 21 April 2008 President Bush praised the achievements of the nation's small business sector on Friday. Speaking to the U.S. Chamber of Commerce, the president pledged continued support for the small business community and out
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
By Dan Robinson Washington 19 June 2007 Following his meeting with President Bush, Israel's Prime Minister Ehud Olmert went to Capitol Hill for talk s with congressional leaders. VOA's Dan Robinson reports, these came as U.S. lawmakers joined the Bus
Recent public opinion polls in the U.S. presidential race give Democrat Barack Obama a lead over Republican John McCain. But the lead is less than expected given some Democratic advantages this election year. 最近有关美国总统竞选的民意调查
Idiom: Run out of gas ( tired ) Hit the book: Step down Revelation Play down Orchestrate Grant Prominent Contribute to Obesity Coca-Cola's top scientist is stepping down following revelations that the beverage giant initiated a strategy of funding sc