单词：vacume
单词：vacume 相关文章
by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t
数学英语
Work Underway to Repair Quake-Damaged Washington Monument Work is under way on the Washington Monument - one of the U.S. capital's best-known tourist attractions - to repair damage from the earthquake that struck the East Coast of the United States i
VOA标准英语2011年(九月)
Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world
VOA标准英语2011年(九月)
THIS IS AMERICA -April 29, 2002: Washington Monument By Jerilyn Watson VOICE ONE: The tallest structure in America’s capital city is the Washington Monument. It is named for George Washington, the f
This is America
By Paula Wolfson Washington 25 December 2006 U.S. President George Bush heads to his Texas ranch Tuesday for a week-long holiday break. But as VOA's Paula Wolfson reports from Washington, it will be very much a working vacation. President Bush is ex
2006年VOA标准英语（十二月）
By Martin Secrest Washington, D.C. 18 April 2007 There may have been advances in the development of a vaccine to protect people against the H5N1 avian influenza virus, or bird flu. Researchers say it could be possible to substantially increase global
2007年VOA标准英语（四月）
Numerous Encephalitis Cases Devastate North India In India every year, during the rainy monsoon season, hundreds of children die or become disabled, physically or mentally, after contracting Japanese encephalitis. Doctor K. P. Kushwaha is a senior pe
VOA标准英语2012年(九月)
Americans Rank Priceless Paper Documents Although the National Archives in Washington, D.C., is rapidly adjusting to the computer age, it is best known as the home of America's priceless paper documents. The magazine U.S. News World Report invited ci
VOA标准英语2011年(五月)
Numerous Global Security Challenges Await Next President For Obama, there have been security triumphs. We ended the war in Iraq, refocused our attention on those who actually killed us on 9/11. And as a consequence, al Qaida's core leadership has bee
VOA标准英语2012年(十一月)
If you could take a vaccine that would protect you against cancer, wouldn't you take it? Well, for cervical cancer, there is a vaccine. It protects against a virus called HPV, which can lead to cancer of the cervix. But a new study reports that many
VOA标准英语2010年(十一)月
US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N
VOA标准英语2011年(八月)
A new documentary from National Geographic traces the dramatic story of a lioness and her cubs struggling to survive in the Okavango Delta of Botswana. Here's a look at The Last Lions. Two mothers now battle for the survival of their young: buffalo d
VOA标准英语2011年(二月)
BBC Learning English The Monument Callum:Hello, I'm Callum Robertson. London is famous for many of its sights and historical buildings. Buckingham Palace, Big Ben, the Tower of London, to name but a few. Today I'm visiting one, a monument, which per
Weekender
Franz: Ive just switched over to this program and I cant figure out how to format my document. Can you help me? Helen: I can try. Lets take a look. What do you want to do? Franz: I want to change the margins so that I can fit more on a page. I dont k
地道美语播客
Key Sentences(重点句子) 846．You signed the delivery note, don't you? 是你签收的那张货运通知，对吗？ 847．Don't you know that's the only proof the accounts department has that the goods were delivered? 难道你不知道那是财务
实用英语
Joyce: We need to apply for our passports now if we want to have them in time for our trip to McQuillanland. Steven: I have a passport. Joyce: Yes, but it expired last year. You need to renew it before you can get a visa . McQuillanland requires a vi
地道美语播客
By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs
2006年VOA标准英语（五月）
By Carolyn Weaver New York City 04 May 2007 The sixth annual Tribeca Film Festival, which runs through May 6, features more than 150 films from around the world, including dozens of documentaries and narrative features from the Middle East, Africa an
2007年VOA标准英语（五月）
Saturday marks the 69th anniversary of the issuing of the Potsdam Proclamation. The Potsdam Proclamation was issued on July 26, 1945 by the United States, Britain and China. It called for the surrender of all Japanese armed forces after Nazi Germany
CCTV9英语新闻2014年07月
如何准备GRE Agument写作论证?每一个argument都有它的独特性，关键是通过总结模版了解怎样论述批驳一个观点，因此论证在GRE Agument写作方面很重要。 例证是第一推荐的论证方法。首先写作文不像
GRE作文