单词：lattice keratitis
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用Mp3背六级单词
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
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
2010年VOA慢速英语(九)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
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
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ointment 软膏 overlapping connective tissue disease 重叠结缔组织病 palmar and plantar pustula psoriasis 掌跖脓疱型银屑病 palmoplantar keratoderma 掌跖角化病 panniculitis 脂膜炎
医务英语
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
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 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(七)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)
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
2010年慢速英语(三)月
By Lisa Bryant San Sebastian, Spain 12 May 2006 With the recent declaration of a permanent cease-fire by the Basque terrorist group ETA, many believe Europe's regional independence struggles are dying
2006年VOA标准英语（五月）
Technology Catalog 技术前沿 Towering Beauty 高耸的美丽 A new way of transmitting electricity may soon be coming to a field near you 输电新法可能很快推出 A PYLON is supposed to be a beautiful thing. In ancient Egypt, pairs of taperi
经济学人科技系列
By Raymond Thibodeaux Colombo 18 March 2008 Sri Lanka's Sinhalese-dominated government recently launched a program to spur thousands of its public servants to learn the Tamil language. It is seen as a bold step to ease tension between the country's S
VOA标准英语2008年（三月）
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
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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ATHENS, June 16 (Xinhua) -- Greek authorities battled several wildfires burning near Athens and southern Greece on Saturday, on the eve of critical general elections. Two fire-fighters were slightly injured while trying to extinguish blazes at the se
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