单词：protembryo
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[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
历年考研英语阅读理解
19 Having a Business Mentor GLOSSARY mentor a person who provides advice and guidance for free, usually tosomeone who is much younger and less experienced * Clarke volunteers as a mentor for at-risk teenagers. advisor someone who provides advice and
2010年ESL之商务英语
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
Scientific American(十二)月
1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是
突破英文词汇
Authorities in Pakistan have banned protests and rounded up hundreds of lawyers, opposition politicians and other activists before a planned rally against the government in the capital. Protesters want to reinstate the country's former Supreme Court
VOA标准英语2009年(三月)
Many developing countries are closely watching the role escalating food prices is playing in the turmoil in North Africa. Government repression, corruption, unemployment and poverty united protesters to oust Egyptian President Hosni Mubarak last week
VOA标准英语2011年(二月)
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
2017年NPR美国国家公共电台3月
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
2017年NPR美国国家公共电台9月
Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d
世界各地新闻集锦
Finance and Economics；Funds of hedge funds；Going, going, gone? 财经；综合基金；渐行渐去？ An overdue wave of consolidation is hitting the funds-of-funds industry； 迟到的兼并浪潮冲击着综合基金管理； If one individua
经济学人财经系列
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
2006年VOA标准英语（七月）
By Derek Kilner Nairobi 21 November 2007 Kenya's Electoral Commission is hearing complaints from candidates who failed to secure their parties' nominations for parliamentary elections, scheduled for December 27. As Derek Kilner reports from Nairobi,
VOA常速英语2007年（十一月）
By Cathy Majtenyi Nairobi 08 February 2007 The former chairman of Burundi's ruling party is protesting his ouster, saying that the move is illegal. Cathy Majtenyi reports for VOA from Nairobi. Hussein Radjabu says the meeting on Wednesday that result
2007年VOA标准英语（二月）
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
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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
新西兰英语
音乐咖啡厅:Sarah Brightman - Moon river 相关介绍：2000年10月25日，美国西岸的大城--洛杉矶，当天晚上在WILTERN剧院里，数万名爆满的观众忘情的疯狂鼓掌，震耳欲聋的安可声几乎要将剧院的屋顶掀翻
音乐咖啡厅
By Nick Wadhams Nairobi 02 January 2008 Kenya's opposition leaders have vowed to go ahead with a massive rally in downtown Nairobi to protest what they say was the fraudulent re-election of President Mwai Kibaki. The government has said the demonstra
VOA标准英语2008年（一月）
By Alisha Ryu Nairobi 03 January 2008 Kenya's opposition leaders have called off a mass rally that had been scheduled for Thursday in Nairobi to protest alleged vote rigging in last week's presidential election. Before the march was called off police
VOA标准英语2008年（一月）
By Derek Kilner Nairobi 20 February 2008 Kenya's opposition has said it will launch another round of demonstrations if mediation efforts fail to resolve a political crisis in the next week. The government and opposition have failed to agree on an acc
VOA常速英语2008年（二月）