单词：mycetogenetica stomatitis
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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.
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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
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北美小学生英语一年级教材（牛津英语教材）
aspirin 阿斯匹林 dentist 牙医 earache 耳朵疼 flu 流行感冒 have a headache 头痛 have a stomachahe 胃痛 have a temperature 发烧 have a toothache 牙痛 have an earache 耳朵痛 have flu 得了流行性感冒 have measles 得了麻疹
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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
英语课程学习计划和讲义
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
By Chad Bouchard Jakarta 24 January 2007 Experts say a Southeast Asian terrorism network has expanded its influence in Central Sulawesi amid escalating violence during the past month. A new report from the International Crisis Group says terrorist ce
2007年VOA标准英语（一月）
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)
Silent Movie Speaks of Romance Hollywood's finest offerings often appear during the holiday season. This year, one of them is Michel Hazanavicius' The Artist, a black-and-white homage to the silent films of the 1920s. The Artist, a silent film itself
VOA标准英语2011年(十二月)
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)
Hearing-Impaired Students at Gallaudet Enjoy Top College Experience I think it's about family loyalty. In America, they don't have the same type of loyalty. Maybe loyalty is the wrong word. Maybe it's more like independence, said one student speaking
VOA标准英语2013年(二月)
Bacteria Thrive on Ocean Plastic Debris It takes about six weeks for a plastic bag or bottle to ride the surface currents from the U.S. East Coast to the Sargasso Sea, in the center of the North Atlantic. The area is a gyre, essentially a big whirlpo
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By Benjamin Sand Islamabad 12 May 2007 At least 27 people have been killed in clashes between pro- and anti-government activists in Pakistan's largest city, Karachi. VOA correspondent Benjamin Sand reports from Islamabad the widespread violence repre
2007年VOA标准英语（五月）
By Carol Pearson Washington, DC 05 January 2007 watch Lung Cancer Gene report Lung cancer is the deadliest cancer in the world. It claims the lives of almost three million people a year. This cancer is hard to cure, but clues about the most effectiv
2007年VOA标准英语（一月）
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
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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
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SCIENCE IN THE NEWS - November 12, 2002: Oldest Evidence of Jesus? / Mapping Genes that Cause Disease / 2002 World Health Report VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with
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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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