No body had had seen this kind of thing before, so this was the first time and all the people looking at the gel and saying

发表于:2018-12-07 / 阅读(71) / 评论(0) 分类 基因外遗传现象

It showed that there was clearly more to inheritance than simply the coded sequence of DNA. We then realized that we were dealing with what is now known as genomic imprinting. What genomic imprinting

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 基因外遗传现象

We are on the brink of uncovering a hidden world, a world that connects past and future generations in ways we never imagined possible. What this means is an environmental exposure that your grandmoth

发表于:2018-12-07 / 阅读(48) / 评论(0) 分类 基因外遗传现象

Mark: Hey, Todd, when you look back on your high school experience, do you, in general, do you see it as a positive or a negative experience? Todd: Oh, definitely positive. It was one of the best times of my life. Mark: Yeah. Todd: Oh, it was awesome

发表于:2018-12-25 / 阅读(39) / 评论(0) 分类 原版英语对话1000个

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

发表于:2018-12-30 / 阅读(104) / 评论(0) 分类 法律英语 Legal Lad

By Paul Sisco Washington, DC 12 July 2006 watch Space Pioneer report He is unfamiliar to most of us, but in the world of aviation Joe Kittinger is a true American hero. Paul Sisco has more about one of America's space pioneers. -------------- Joe Ki

发表于:2019-01-09 / 阅读(132) / 评论(0) 分类 2006年VOA标准英语(七月)

Unemployment High for Young US Military Veterans Hundreds lined up for this veterans job fair hopeful of finding work. Some are still in service, like Ernest Pisogna who is stationed in Afghanistan. This Job Fair will determine whether he re-enlists

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2012年(一月)

DRC Misses Deadline for High Speed Internet Officially, the Democratic Republic Congo is about four months behind schedule to connect to the West African Cable System (WACS). This is not the first time the DRC has missed out on a high speed Internet

发表于:2019-01-13 / 阅读(79) / 评论(0) 分类 VOA标准英语2012年(五月)

U-2 Spy Plane Still Flying High One of the oldest planes the United States Air Force still flies is used to carry out some of America's most sensitive and critical missions. Whether it's aiding NATO troops in Afghanistan, providing surveillance over

发表于:2019-01-13 / 阅读(68) / 评论(0) 分类 VOA标准英语2011年(十二月)

The judge in the New York City trial of accused terrorist Ahmed Ghailani has moved to insulate jurors from all news and information related to terrorism. Proceedings at the Ahmed Ghailani trial began Monday with a discussion led by Judge Lewis Kaplan

发表于:2019-01-14 / 阅读(64) / 评论(0) 分类 VOA标准英语2010年(十一)月

Tripoli: Fighting Empties the Seaside Capital Driving into Tripoli is to drive into a ghost city. It looks like a set for a Hollywood apocalypse film. Instead of a bustling seaside capital of 1.5 million people, we drove Thursday past kilometer and k

发表于:2019-01-14 / 阅读(105) / 评论(0) 分类 VOA标准英语2011年(八月)

U.S. Defense Secretary Robert Gates indicated Thursday he might be receptive if his new commander in Afghanistan asks for more troops, but he is still concerned that having too many foreign forces in the country could alienate its people. Defense Se

发表于:2019-01-14 / 阅读(94) / 评论(0) 分类 VOA标准英语2009年(八月)

A: What are you here for today? B: I need to fight this ticket that I got. A: Is the arresting officer here? B: Yes, he is, Your Honor. A: Plead your case. B: I was told by the officer that I ran a red light. That information isn't true. A: Why would

发表于:2019-01-15 / 阅读(66) / 评论(0) 分类 英语情景对话-驾驶

Todd: OK, Sophie, we're going to talk about high school. What was high school like? Sophie: It was great. Lots of fun. Lots of friends. Learned quite a bit at school. Todd: So, what did you study in high school? Sophie: I studied mainly sciences actu

发表于:2019-02-02 / 阅读(51) / 评论(0) 分类 原版英语对话1000个

Todd: OK, Shane, why don't you talk a little about why you came to Japan? Shane: Well, I suppose the reason why I came to Japan is because, I suppose it's a personal thing. There's many different people in Dublin, different types of people. I do not

发表于:2019-02-04 / 阅读(41) / 评论(0) 分类 原版英语对话1000个

今天我们要学的词是high-five。 High-five, 举手击掌,相互致意。 The high-five was developed in the U.S. in the 1970s, 举手击掌是70年代美国开始流行的。 A high-five symbolizes joy, elation and power, 举手击掌代表高

发表于:2019-02-09 / 阅读(46) / 评论(0) 分类 英语单词荟萃

By Al Pessin Munich 10 February 2008 The commander of NATO's military forces is disputing critics who say the alliance is losing in Afghanistan, but he said it is not winning fast enough, and he called for member nations to provide more troops. VOA's

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 VOA常速英语2008年(二月)

Joel: So, you're from a smaller island. What kind of concerns do people on your island have or what kind of concerns do you have? Patricia: For the world you mean? Joel: Right. Right. Patricia: Well recently, when I was in high school I had a friend'

发表于:2019-02-18 / 阅读(51) / 评论(0) 分类 原版英语对话1000个

今天我们要学的词是trick-or-treat。 Trick-or-treat, 是10月31号万圣节孩子们装扮成各式神仙鬼怪,挨家挨户索要糖果时说的一句话,意思是最好给糖,否则我们就要捣蛋。这些孩子就是trick-or-treat

发表于:2019-02-18 / 阅读(50) / 评论(0) 分类 英语单词荟萃

丹麦超人气偶像男歌手Christopher新单《Set The Record Straight》 丹麦超人气偶像男歌手Christopher首专热销!专辑也改版发行特别收录7首新作和不插电版歌曲,而小C除了和DJ二人组合作新单空降亚军外

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 流行英文歌曲