历年考研英语阅读理解mp3(99-4)

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

未来的baby

Imagine being able to override Mother Nature and hand-pick the physical appearance and intellectual traits of your unborn child. Well, thanks to modern science, what may seem far-fetched now could be

SSS 2009-12-10

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

【英语时差8,16】用普通人的细胞制造干细胞

Making Stem Cells From Ordinary Adult Cells Most cells in our bodies are unipotent, that is they stay the same throughout their lives. For example, once a skin cell, always a skin cellthey never start turning into brain cells. The exception is stem c

The Human Body: Life Story 生命物语-9

Millions of years ago, the embryo of a distant ancestor of ours would have shared with us many of these features. As well as giving rise to us, it gave rise to all sorts of other creatures. And in tho

专业术语—口腔生理学术语M1(英文详解)

Macrophages - cells derived from monocytes which have the ability to phagocytose foreign particles and dead tissue and to move through tissue, or to remain fixed in one place. There are many macrophag

How far should science go to help the sick and the suffering

Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,

超级富豪也将成为健康超人

If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说

VOA标准英语2009年-Stem Cell Research Could Cure Diabetes

President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cells from umbilical cord blood, which entails no controversy since there is no dest

美国国家公共电台 NPR Embryo Experiments Reveal Earliest Human Development, But Stir Ethical Debate

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

美国国家公共电台 NPR Editing Embryo DNA Yields Clues About Early Human Development

ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into

Issue 97 新版“七宗罪”

Now have you sinned since our last broadcast? The Catholic church is worried people aren't taking sins seriously enough. So the Vatican has decided to update its list of the seven deadly sins. But whereas the focus of the traditional sins--LUST, GREE

2006年VOA标准英语-US Senate Expected to Approve Funding of Embryo

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

VOA常速英语2007-Vaccine-Derived Virus Threatens Nigeria's Polio

By Gilbert da Costa Abuja 26 October 2007 A rare outbreak of vaccine-derived polio in Nigeria has prompted fears that current efforts to eradicate the disease in northern part of the country could suffer a major setback. The World Health Organization

20 top predictions for life 100 years from now

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

“二胎”政策将在明年推出

Reporter: A universal two-child policy is expected to be passed by the top legislature by the end of the week as it concludes its latest bimonthly session on Sunday. The new rules would come into effect on January 1. Zhai Zhenwu, Head of the China Po

新西兰英语 164 Embryo donation

During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa

【有声英语文学名著】美丽新世界（8a）

Brave New World by Aldous Huxley Chapter Eight OUTSIDE, in the dust and among the garbage (there were four dogs now), Bernard and John were walking slowly up and down. So hard for me to realize, Bernard was saying, to reconstruct. As though we were l

经济学人:基因编辑技术的应用、争议和未来(1)

Leaders 社论 Gene editing 基因编辑 The baby crisperer 婴儿保险盒 A Chinese scientist claims to have edited the genomes of two babies 中国科学家声称已成功编辑两名婴儿的基因 Humanity's power to control the four-letter code

英语听力精选进阶版 8569

President Obama and his Russian counterpart Vladimir Putin have met in New York opening their discussions on Syria and Ukraine with a stony face handshake. US officials said they agreed to explore a political solution to the crisis in Syria. Presiden