单词：extraembryonic blastoderm
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Health nbsp; Economics The big story for Washington for 2002 is going to be the November elections. And while that’s a long way off for the rest of the country, it’s very much on politicians- mind
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A: I'd like to purchase a parking permit for next semester. B: Are you a daytime student or do you just come in the evenings? A: I am a daytime student. B: Will you be driving a motorcycle or a car? A: I will be driving my car. B: OK, that will be tw
英语情景对话-大学生活
Federal officials are focusing on manufacturing and processing facilities as they work to get to the bottom of a salmonella outbreak in eggs. The Food and Drug Administration says there haven't been many standards in place for farms like the two in I
2010年NPR美国国家公共电台8月
Christopher Reeve: A True Superman Christopher Reeve, the cinematic 1 Superman who became a real-life inspiration for people with spinal 2 injuries through his painstaking struggle to overcome total p
英语沙龙2004全年合辑下
Clashes between Indian security forces and the remaining terrorists that launched a multi pronged assault on Mumbai continued into the night as authorities slowly regained control of the city. Raymond Thibodeaux has this report from Mumbai where exp
VOA标准英语2008年(十一月)
Agricultural officials say they think an organic farm in northern Germany was the source of the deadly E. coli outbreak that has sickened more than 2,000 people in Europe. Twenty-two people have died. Investigators traced the bacteria to beansprouts
2011年NPR美国国家公共电台6月
In a landmark development within stem cell research, scientists say theyve used a cloning technique to make embryonic stem cells that match a patients DNA. The journal Nature highlights a study that shows the potential for using the technology to rep
2011年NPR美国国家公共电台10月
HEALTH REPORT - Gene Therapy Used to Treat Cancer | Stem Cell Study Leads to Criticism, QuestionsBy VOA Staffs Broadcast: Wednesday, September 06, 2006 This is the VOA Special English Health Report. A
2006年慢速英语（九）月
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with
Scientific American(十一)月
President Obama says a preliminary agreement reached today with Russian President Dmitry Medvedev is an important step toward increasing nuclear security. We have signed a joint understanding for a follow-on treaty to the START agreement that will r
2009年NPR美国国家公共电台7月
The State Department is warning Americans abroad to be on alert for possible protests against the US after a Florida church announced it would burn copies of the Koran this Saturday. Ahead of that, NPR's Michele Kelemen reports governments worldwide
2010年NPR美国国家公共电台9月
HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher
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This is the VOA Special English Health Report. Bethesda, Maryland, near Washington, D.C., is home to the National Institutes of Health. N.I.H. calls itself the Nation's Medical Research Agency. But it supports research worldwide with its budget of a
VOA慢速英语2008年（十一）月
AS IT IS 2015-11-02 Can Fish Teach Humans to Regrow Teeth? 人类能学习鱼类的牙齿再生术么? Most people are born with two sets of teeth. They use baby teeth to break down food as children. As they become adults, the baby teeth are replaced
2015年VOA慢速英语(十一)月
By Ted Landphair Washington 26 July 2007 For a second time in a year, President Bush has vetoed a bill that would have sanctioned federally funded stem cell research using human embryos. His stance reflects conservatives' view that destroying life to
2007年VOA标准英语（七月）
By Gary Thomas Washington 02 June 2008 The uproar over the 2005 publication of Danish cartoons of the Prophet Mohammad may have faded in the West, but analysts believe angry Islamic militants may still be seeking revenge. VOA correspondent Gary Thom
VOA标准英语2008年（六月）
【生词预览】 wreck精神上受到严重损伤的人，blas司空见惯的， pull up停车， stammer结巴 【笑话原文】 What Was Wrong When I moved to California, I was a nervous wreck about earthquakes. My friend Lisa, who was born and
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An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现，动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后，可能仅需10年，人类就可以告别白发
趣味英语
Finding a Healthier Lifestyle - Committing to Change Everyone wants to live a healthier lifestyle and everyone wants to look better in their swimsuit. However, many people don't know where to begin or what questions to ask. Six months ago I was in th
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WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the jour
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