单词：ribonucleotidase
单词：ribonucleotidase 相关文章
By Peter Fedynsky Washington, DC 26 January 2006 watch Katrina Response report Hurricane Katrina rescue Senators probing the U.S. government's response to Hurricane Katrina, which devastated the city
2006年VOA标准英语（一月）
River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do
VOA标准英语2011年(十月)
Todd: So on your bike trip, how did you feed yourself. What did you eat? Julia: Hydration was a thing that we worried about. We were able to stop every few kilometres and get fresh young coconuts with the straw in the top. Did you remember doing that
原版英语对话1000个
Todd: What were the road conditions like that you were riding on? Julia: I'd say at least half, maybe more than half were unpaved roads. Thankfully Cambodia is very flat so it wasn't so difficult. We averaged about seventy, eighty kilometres a day bu
原版英语对话1000个
Todd: So what was the hardest thing about the trip? Julia: The hardest thing was seeing this country which is so beautiful with such amazing people but struggling in so many different ways with so many different things. You know, historically the leg
原版英语对话1000个
Todd: So Julia, I was looking at your website and I noticed that you did a bike trip in Cambodia. Julia: Yes, that's right. I joined an organization called Pepi and we did a ride from Siem Reap to Vietnam, Ho Chi Minh City. Todd: Wow, that's pretty c
原版英语对话1000个
Todd: So what was the hardest thing about the trip? Julia: The hardest thing was seeing this country which is so beautiful with such amazing people but struggling in so many different ways with so many different things. You know, historically the leg
英语趣味课堂
Todd: So on your bike trip, how did you feed yourself. What did you eat? Julia: Hydration was a thing that we worried about. We were able to stop every few kilometres and get fresh young coconuts with the straw in the top. Did you remember doing that
英语趣味课堂
Todd: So Julia, I was looking at your website and I noticed that you did a bike trip in Cambodia. Julia: Yes, that's right. I joined an organization called Pepi and we did a ride from Siem Reap to Vietnam, Ho Chi Minh City. Todd: Wow, that's pretty c
英语趣味课堂
Todd: What were the road conditions like that you were riding on? Julia: I'd say at least half, maybe more than half were unpaved roads. Thankfully Cambodia is very flat so it wasn't so difficult. We averaged about seventy, eighty kilometres a day bu
英语趣味课堂
史诗巨作《澳大利亚》由妮可基德曼和休杰克曼主演，讲述了漫漫北澳大利亚大陆上一个结合了浪漫、戏剧、冒险与奇观的壮丽史诗故事。影片描画出澳大利亚这个遥远且充满异国风情的地方
电影歌曲
By Karem Sa'id Cairo 25 February 2007 Tourists to Egypt are no doubt familiar with the felucca, a timeless sailboat. Egyptians, however, use the word felucca for another kind of boat on the Nile - a motorboat that blares popular music. Karem Said re
2007年VOA标准英语（二月）
Secretary of State Condoleezza Rice says she hopes Saturday's critical meeting with Iran's nuclear negotiator in Geneva will mark a change of course for Tehran in its nuclear dispute with the international community. Rice is sending a senior envoy t
VOA标准英语2008年（七月）
Experts Cite Underlying Causes for UK Riots London was largely calm Wednesday, but the rioting that engulfed the British capital for the past four nights has spread to other cities, including Manchester and Birmingham. British Prime Minister David Ca
VOA标准英语2011年(八月)
Liberia Prepares for Voting Amid Security Concerns, Refugee Crisis Liberia's electoral commission is working to safeguard voting along the border with Ivory Coast, where hundreds of mercenaries from the recent Ivorian political crisis are under arres
VOA标准英语2011年(八月)
今天我们要学的词是robocall。 Robocall指的是由计算机系统自动拨号，播放事先录制的电话留言的宣传电话。Robocall是产品促销和政治竞选的常用手段。A GOP group launched its robocall campaign against Sen
英语每日一词
PARIS In the latest sign of hard times for Europe, French carmaker PSA Peugeot-Citroen says it will slash about 8,000 jobs and close an assembly plant. French unions are furious at Peugeot's announcement, calling it a declaration of war and an earthq
英语新闻
By Kurt Achin Seoul 07 December 2007 The senior U.S. delegate to multinational talks aimed at dismantling North Korea's nuclear capabilities says more discussions are needed before North Korea produces a formal declaration of its nuclear programs. VO
VOA常速英语2007年（十二月）
A Jihadist website has announced that Ayman al-Zawahri, Osama bin Laden's deputy, is the new leader of al-Qaida, as had been expected since the killing of bin Laden in May. A web posting Thursday said Zawahri has assumed responsibility for the group,
英语新闻