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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.
Scientific American(八)月
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北美小学生英语一年级教材（牛津英语教材）
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
英语课程学习计划和讲义
Goods flowed down this riverway from France and Switzerland on their way to the sea for transshipment all over Europe. Nobles along the way collected tolls, but big profits could still be made by whol
其他文化
EXPLORATIONS - November 27, 2002: Keiko the Whale By Jerilyn Watson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we te
Explorations
We wanted to show you the beginning of our show,really, which is what this strange thing is here and behind the cloth. But this is what we wanted to start with. So I will be delighted once the cameras have got a little look at this. We抳e got all so
万花筒2012年
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
Scientific American(八)月
EXPLORATIONS - Koshland Science Museum By Broadcast: Wednesday, March 02, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with the VOA Special English program EXPLORATIONS. T
Explorations
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(一月)
'The Bricklayer' Details Iranian Exile Experience on Stage Even in last-minute rehearsals on a bare stage, the power of The Bricklayer's story comes through, as well as the sadness at its core. This opera tells of one family's suffering, the son exec
VOA标准英语2012年(三月)
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(五)月
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标准英语2010年(三月)
People on my team quit and revolt 我的团队成员都开始退出和反抗 But acting fast 不过迅速反应 facing up to the problem 直面问题 making a decision buying YouTube and then investing heavily in it 购买YouTube并对其进行大量投
公众人物毕业演讲
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
英语小达人
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
科技之光
Washington's main envoy in talks aimed at getting rid of North Korea's nuclear weapons is in South Korea. He plans to visit Pyongyang to discuss the North's recent steps toward resuming activity at its main nuclear facility. Meanwhile, Japan has ren
VOA标准英语2008年（十月）
mope (dawdle, gloomy) 闲荡，闷闷不乐 ● When I have no date on Saturday, I just stay home and mope about in the house. 星期六晚上，如果我没有约会，我只好呆在屋子里闷闷不
英文名句短语
The U.N. General Assembly has voted to ask the International Court of Justice to give an advisory opinion on whether Kosovo's declaration of independence from Serbia earlier this year conforms to international law. From United Nation's headquarters
VOA标准英语2008年（十月）
NAIROBI, April 17 (Xinhua) -- Olympic bronze medallist Micah Kogo will not be part of the Kenya team to the London Games in July. This follows failure by the 10,000m bronze medallist to secure A Standard qualifying mark of 27:45.00 which ultimately l
英语新闻
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
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