单词:cell doctrine
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[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.51]2001 Passage5 [00:08.42]When I decided to quit my full time employment [00:11.27]it never occurred to me that I might [00:13.38]become a part of a new international trend. [00:16.51]A la
By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
[AUTHENTICITY CERTIFIED: Text version below transcribed directly from audio.] Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the
By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As
By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme
Osama bin Laden 奥萨马本拉登 Osama bin Laden, the worlds most wanted terrorist, died on May 2nd, aged 54 奥萨马本拉登,世界头号通缉恐怖分子,于5月2日被击毙,终年54岁 May 5th 2011 | from the print edition WHEN he gave
HARI SREENIVASAN: On this Easter Sunday, we take a look ahead at an unprecedented event happening at the Vatican next weekend: a double canonization of two former popes who will be made saints. Here to tell us more is Rachel Zoll, shes the religion w
By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app
By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
What is China ? The People's Republic of China,commonly known as China,is located in east Asia, and borders 14 nations or any other county in the world. It is the most populous state in the world with a 1.3 billion citizens,while the world's populati
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
The next year it hit 5.4% even as unemployment changed little. 第二年,甚至在失业变化不大的情况下达到了5.4%。 The stagflation of the 1970s killed off the idea of a stable Phillips curve. 上世纪70年代滞张(stagflation)曾一度
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
备战高考必须要注意复合介词 请看几道高考真题: 1. _________ fire, all exits must be kept clear. (天津卷) A. In place of B. Instead of C. In case of D. In spite of 2. The open-air celebration has been put off _________ the bad
There is no end to the making of books. Nor does there seem to be any end to the making of lists of great books. There have always been more books than anyone could read. And as they have multiplied through the centuries, more and more blue-ribbon li