标签：Virus 相关文章
In March, the virus caught the attention of health officials in Mexico when cases of a flu-like illness were reported in the state of Veracruz. The transmission of the virus was so rapid that by mid-June the WHO declared the first flu pandemic in mor
VOA标准英语2009年(十二月)
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And, I'm Barbara Klein. This week, we will tell about efforts against the H1N1 virus, often called swine flu. We will give a possible explanation for why some
VOA慢速英语2009年（十一）月
AS IT IS 2013-07-15 The Fight to Protect Cassava Plants Hello, and welcome once again to As It Is, our daily show for people learning everyday American English. Im Christopher Cruise in Washington. Today on the program, we tell about the moringa olei
2013年VOA慢速英语(七)月
Experts: Polio Could Again Spread Worldwide Thanks to an effective vaccine, the polio virus has disappeared from most of the world. But, a few cases remain in areas that are among the most difficult to reach. 得益于一种有效的疫苗，脊髓灰质
2018年VOA慢速英语(七)月
unit05_newwords_a ||1weep|vi.|cry |哭泣 ||||It's not worth weeping over him. |为他流泪完全不值得。 ||||People wept with joy when the end of the war was announced. |宣布战争结束时，人们喜极而泣。 ||2calculator|n.|[C] a small
新视野大学英语读写教程词汇 第一册
1. Homes were damaged but only minor injures were reported, when tornadoes struck Alabama and Mississippi. A massive funnel cloud was spotted, tearing through Pickens county, Alabama. 2. A major snow storm dropped more than a foot of snow across a wi
美联社新闻一分钟2016(二)月
In 2011, scientists discovered they had created a highly contagious and deadly form of H5N1 commonly called avian or bird flu. When the discovery was announced, debate erupted over whether the research was ethical and fears the new strain could be us
VOA双语新闻 2012年1月
Each year, scientists work to develop a unique influenza vaccine to protect people against the strain expected in the coming flu season. Mutations in the virus mean that last year's vaccine probably won't protect against this year's flu variety. Now,
VOA双语新闻 2010年7月
After ten minutes of commercial free current events, this is CNN student news, my name is Carl Azuz. Welcome to the show, we are starting today between Europe and the Middle East in the nation of Turkey. The country is mourning. During a shift change
CNN2014年(五)月
Voice 1 Thank you for joining us for Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Imagine that you a
环球英语 Spotlight
Health authorities on Taiwan say they're looking into 42 suspected human infections of the H7N9 bird flu. However, no cases have yet been confirmed on the island. Doctor Pei Chun-Zhan is with the Taiwan Center for Disease Control. The virus cannot tr
英闻天下
Earlier this year, I got a letter from a South Carolina woman named Ashley, who was expecting her third child. 今年早些时候，我收到一封来自南卡罗来纳州阿什利女士的来信，她正期盼第三个孩子降临。 She was, in her
奥巴马每周电视讲话
One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water
60秒科学
Doctors Treat Brain Cancer With Polio From VOA Learning English, this is the Health Lifestyle Report. Researchers say a virus once feared around the world can help to treat some kinds of cancer in the brain. The researchers are with the Duke Universi
2018年VOA慢速英语(七)月
Scientists Say Genetically Modified Rice Can Prevent HIV Researchers say a new genetically modified rice can prevent infections of HIV, the virus responsible for the disease AIDS. 研究人员称一种新的转基因水稻可以预防艾滋病病毒感
2018年VOA慢速英语(八)月
DEVELOPMENT REPORT – July 15, 2002: US Money for AIDS in Africa By Jill Moss This is the VOA Special English Development Report. President Bush has announced a new five-hundred-million dollar plan t
农业与发展
Officials, Experts Wind Up Bird Flu Conference in Thailand Scott Bobb Asian ministers and international health experts are ending a meeting in Thailand aimed at halting the spread of the bird flu viru
VOA2004（上）--各类新闻
Rising fear over an outbreak, a new and dangerous strain of the bird flu so far contained to China. But tonight right here in the US, top scientists are now raising a development of vaccine. And if theyre concerned, how concerned should the rest of u
万花筒2013年
Michelle Norris: From NPR News, this is All Things Considered. I'm Michelle Norris. Robert Siegel: And I'm Robert Siegel. The 1918 flu virus that killed tens of millions of people around the world is back. Scientists have reconstructed it, using pie
2006年NPR美国国家公共电台
Flu season occurs annually in countries that have cold weather in the winter. Although the influenza virus is alive throughout the world in all four seasons, it seems to have its greatest impact on humans during the winter. Scientists are not sure wh
365个英语简短小故事