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萍乡看畸形精子症哪家医院最好的九江市浔阳区庐山区不孕不育研究基地国家地理:Tornadoes 龙卷风Call them twisters or tornadoes. They're nature's most violent storms with swirling winds that can top 300 miles per hour. About 800 twisters sweep through the US every year, more than anywhere else in the world. The hardest-hit area is a swath of the Great Plains from Texas to South Dakota known as Tornado Alley. Here warm air flows up from the Gulf of Mexico in the spring and summer and crashes into cold air pushing down from Canada. The meeting produces violent thunderstorms called supercells. Scientists don't completely understand how or when tornadoes form. But they do know a supercell like this one can produce a twister if the conditions are right. As warm moist air flows into a storm, it gets pushed up and twisted by upper level winds. As this rotating column of air gathers force, conditions are right for a collision below. When rain cooled downdrafts, hit warm air near the ground, a low hanging revolving cloud forms beneath the cell. A tornado is imminent. Tornadoes don't last long, anywhere from twenty seconds to an hour, but it can take years to recover from the devastation. These storms kill nearly 90 people each year in the US and cause millions of dollars worth of damage. When a tornado is spotted, experts advise going to a basement staying away from any windows or climbing into a first floor bathtub. While most people run for safety when a twister appears, some scientists actually race to meet it. These storm chasers hunt down tornadoes trying to get right in the twister's path. They encounter incredible cloud movement, torrential rain, severe winds and hail, lightning and breath-taking storm structures. When they finally locate a twister, they measure it using special tools. These scientists hope to someday predict exactly when and where tornadoes will strike. Little can prevent the damage caused by tornadoes, but better forecasting could save more lives giving survivors the chance to rebuild after living through one of the most violent storms on earth.downdraft: a strong downward current of air200709/17489江西省那家医院弱精检查 US Government Takes Over Two Major Financial Firms保尔森:接管两公司以防金融动荡  Amid a continuing housing crisis in the ed States, the Bush administration is taking over two failing mortgage firms in an effort to limit further turmoil in the sector. 就在美国房地产市场继续在危机中挣扎时,布什政府将接管两个陷入困境的住房抵押贷款融资公司,以防止金融市场出现进一步的动荡。The last year has seen a spike in foreclosures among U.S. homeowners, falling housing values in most parts of the country, and tighter credit that has made it more difficult for Americans to acquire loans.  在过去一年中,美国房主因无法偿还贷款而被金融机构收回房屋的情况大幅增加,美国大部分地区的房价下跌,而且市场信贷紧缩使美国人更难获得贷款。In recent months, the picture has grown worse with news that two mortgage giants, Fannie Mae and Freddie Mac, were on the verge of insolvency. Combined, the two firms own or guarantee close to half of all home loans in the ed States. 在最近几个月中,情况变得更糟。美国两大住房抵押贷款融资机构房利美和房地美已经频临破产边缘。这两个公司持有或担保的住房抵押贷款几乎占全美住房抵押贷款总量的一半。In a news conference Sunday, Treasury Secretary Henry Paulson announced that the federal government is taking control of the firms - a move he described as necessary to avoid further financial upheaval. 美国财政部长保尔森星期天在新闻发布会上宣布,联邦政府将接管这两个公司,他说,这是为了避免金融市场进一步动荡而采取的必要措施。"Fannie Mae and Freddie Mac are so large and so interwoven in our financial system, that a failure of either of them would cause great turmoil in the financial markets here at home and around the globe. This turmoil would directly and negatively impact household wealth, from family budgets to home values, to savings for college and retirement," he said. "And a failure would be harmful to economic growth and job creation." 他说:“房利美和房地美的规模太大,而且它们和美国的财政系统有着千丝万缕的联系。让它们中的任何一个倒闭都会强烈动荡美国及全球的金融市场。而这种动荡将直接给家庭财产带来负面影响,从家庭预算、房产价值到人们为大学教育和退休而储蓄的存款。这两家机构的倒闭会伤害美国的经济发展和就业市场。”The Bush administration says Fannie Mae and Freddie Mac are being placed in a government conservatorship with new executive leadership. They will be operated by a government agency until their financial pictures improve and they are no longer at risk of failing.  布什政府说,房利美和房地美目前处于政府接管状态中,政府还任命了这两个机构的新领导人。这两家机构将由一个政府部门来管理,直到它们的财政状况出现好转,不再面临倒闭风险时为止。Paulson says every effort will be made to spare taxpayers from having to assume massive financial burdens stemming from the takeover. 保尔森说,政府会尽全力避免让纳税人承担这次接管所带来的巨大经济负担。Most Americans secure home mortgages through private banks. For decades, Fannie Mae and Freddie Mac have made it more attractive to banks to make mortgage loans by purchasing the loans from the banks, and then selling them to private investors. 大部分美国人通过私人来获得住房抵押贷款。几十年来,房利美和房地美从手中购买贷款项目,再把它们转卖给私人投资者,以吸引发放更多的抵押贷款。But recent years have seen mortgage loans made to millions of individuals with poor, risky, or insufficient credit - many of whom have either defaulted on the loans or are at risk of doing so. Fannie Mae's and Freddie Mac's exposure to massive financial losses stemming from the housing crisis has put them on the verge of insolvency. 但是在最近几年里,数百万贫穷、有欠款危险或者信用值不够的个人得到了抵押贷款,现在,他们中的许多人已经或即将无法偿还贷款。房屋市场的危机给房利美和房地美带来了巨额亏损,把它们推到了破产的边缘。News of the government takeover prompted swift reaction from both presidential candidates. Speaking on CBS' Face the Nation program, Republican presidential nominee John McCain said the move "has to be done.""I think that we have got to keep people in their homes. There has got to be restructuring, there has got to be reorganization, and there has got to be some confidence that we have stopped this downward spiral. It is hard, it is tough," said McCain.McCain added that the woes of Fannie Mae and Freddie Mac are symptomatic of an overall failure of Washington to tackle important issues. He said the federal government has become less effective due to what he termed cronyism and the influence of special interests and lobbyists.His Democratic challenger, Barack Obama, also expressed support for the government takeover. But an Obama ally, Virginia Democratic Governor Tim Kaine, said blame for the financial upheaval lies with President Bush."It is an important step that they [the Bush administration] have taken, but they are way too late. During the Bush administration there has been a complete abdication of responsibility for regulating the nation's financial markets, and so it has come to this," said Kaine.Fannie Mae and Freddie Mac have seen their stocks plummet in value in recent months. The federal takeover includes some government purchasing of the firms' stock and an infusion of funds to assure the firms' continued operation.  房利美和房地美的股票价格在最近几个月里大幅度下跌。这次联邦政府的接管计划包括政府购买这两家公司的股票以及向它们注入资金,以保这它们能继续经营下去。Fannie Mae and Freddie Mac are government-sponsored enterprises, which are among several financial service corporations created by the ed States Congress. 房利美和房地美是受到政府持的企业,是由美国国会创立的几个金融务公司之中的两个。200809/47735Katie Couric: Emma Watson, Good morning. Hey! Emma nice to see you.Emma Watson: Hello~Katie Couric: You know, my daughter told me the other day when they started ing the Harry Potter books at her school, all the girls thought your name was Hermi One.Emma Watson: I know, I know...I've heard so many different interpretations like oh...em... Hermio Ne, Hermi One, Her Mione...Katie Couric: But now I guess...now I guess because of the movie everyone knows how to say your name and Hermione, like Emma Watson is growing up. ("Yes.") And I think this movie reflects that, don't you? Because she's dealing with all sorts of teenage issues that are very very relatable.Emma Watson: Yeah, and she definitely is, you know that's em...this is the first film book with the introduction of romance, close teenage angst and, you've, the boys and well, the girls got to find dates for the Yule Ball and yeah..."Katie Couric: And she is sort of has...has a thing for Harry and Ron, I mean there is some sexual chemistry there and yet, they are kind of completely...out of it.Emma Watson: No, they are really not that, I think. I really think it's the Ronald , I really think he's jealous, I really think when he goes to the ball with Victor Krum, he's...he's jealous.Katie Couric: I...I think so, too. Meanwhile that, you know,we talk...I talked to Danniel about this. This movie is a little...a little darker, a little scarier than the previous ones. ("Yeah") And do you worry about that in terms of alienating fans or scaring young fans, I guess.Emma Watson: Uhm, to be honest, it's always been about staying faithful with the book, and...the book is much darker, you know, someone died, two, two people died , and there is, Voldemort's back, it's...it's gotta be darker and...and it's always been about thinking this is a book and we are older now. It's going to be more mature ,and more mature issues, and I think it's great that they actually embraced that, they haven't caught the punchies and I think they made a really great film and...yes, it is scary for younger people but em...I think we've lost younger audience as we have the gains of the adults, yeh,yeh.Katie Couric: And people who are little more mature. Meanwhile, I ,I think in a Yule Ball scene, Hermione walks down the stairs and it's such a great scene because suddenly you can see that she's really blossomed into a young lady and her...her character's forever changed in a way she's perceived, I think. It's forever changed, right?Emma Watson: Yeah, yeah. And this scene is meant to be out of a kind of real transformation. You must see her...("Kind of a Cinderella moment I have to say, Emma)Yeah,Yaeh,Yeah, exactly that. It's kind of a Julie Roberts's "Pretty Woman" ask moment where she... when you...you are like...wow...God, she's such a pretty! She's meant to look like you've never seen her before, quite different.Katie Couric: And, and I was going to ask you because because I didn't have time to talk to...to Danniel about this, but you worked with three different directors for these four movies, Chris Columbus did the first two,(Yeah.) the second one was directed by?Emma Watson: Ah.. Ah..Fo...Oh, no, Chris did the first two, and then Alfanso did the third and then...Katie Couric: Right, and now Mike Newell ,(Mike Newell too) a Four Weddings and a Funeral film, did this one. (Yeah.)Is it hard for you to...to have different visions for every director, cause I would think that would be either very exciting and challenging or like "what is this guy gonna do with it?Emma Watson: Well, Let's be honest, you know, I actually, I love it, I have to say, because...Katie Couric: I'm sure you're gonna say yeah I thought, kiddy, I mean this guy want to do with it, but..Emma Watson: No, well. No. I mean it's just er...from my point of view, you know, being in the same kind of films for four years now, it's em...it brings something new to everytime and I've learned something new and it keeps it interesting for me.Katie Couric: You've been doing this for the past five years, are you sick at it at all? And I mean do you feel like, Gee, I want to try something else or gosh, I'd like to be a normal teenage girl for a little while?Emma Watson: Well in between er, in between the films I was to have a break. Er...I go back school and I do the kind of a normal school girl, there for a...for a while which is nice and uhm, I stop on the fifth of Feburary and then after that, em, we will see, I definitly would want to be the last thing I do, I'm looking around for a new start. Yeah.Katie Couric: Emma Watson, it's always a pleasure to see you. ("Thank you~") Thanks so much for coming by and enjoying our cool Harry Potter set, right? Emma?("Yeh~ It's really good.") And Harry Potter and the Goblet of Fire hits theaters this Friday. 200807/45044江西省公立医院检查弱精

宜春市宜丰县靖安县铜鼓县治不孕不育的医院哪家好Rice Beginning New Round of Middle East Talks赖斯赴中东推动以巴和平协议  U.S. Secretary of State Condoleezza Rice flies from London to Jerusalem Saturday for a new round of talks aimed at getting an Israel-Palestinian peace accord by year's end. Rice will lay the groundwork for President Bush's visit to the region later this month. 美国国务卿赖斯今天从伦敦飞往耶路撒冷,展开新一轮会谈,争取推动以色列和巴勒斯坦在今年底达成和平协议。赖斯将为布什总统本月底访问中东地区做准备。The secretary's two-day London visit also had a heavy Middle East focus, with Rice meeting privately with key Israeli and Palestinian officials and convening with financial supporters of the peace process and the Quartet. 赖斯国务卿在伦敦逗留的两天期间,中东问题也是她关注的一个重点。赖斯私下会晤了以色列与巴勒斯坦重要官员,并且与和平进程的经费持者以及中东问题四方交换了意见。The Quartet - made up of the ed States, Russia, the European Union and the ed Nations - reaffirmed international backing for the goal set at last November's Annapolis conference for a peace accord by the end of 2008. 中东问题四方--美国、俄罗斯、欧盟以及联合国--重申国际社会持去年11月安纳波利斯中东和会所定下的在2008年底之前达成和平协议的目标。But the grouping expressed deep concern about, among other things, continuing Israeli settlement activity in the West Bank and rocket attacks from Hamas-controlled Gaza into southern Israel. 但四方同时对以色列在约旦河西岸持续的定居活动以及哈马斯控制的加沙地区对以色列南部的火箭攻击深表关注。Despite the difficulties, Rice said she still thinks the 2008 goal can be achieved, though skepticism about it is understandable. 即使有这些困难,赖斯表示她仍然认为2008年的目标可以达成,同时她也认为人们对此有疑虑是可以理解的。"It's hard work, and it's labor-intensive, and it's time consuming. But I believe that they do have a chance to get an agreement by the end of the year. And that's what we're going to work for, every day," said Rice. “这是很艰难的工作,非常的劳心劳力,也非常的耗费时间。但我相信他们的确有机会在今年底之前达成协议。而这就是我们每一天都在努力的。”Palestinian Prime Minister Salam Fayyad was less optimistic, citing economic problems in Palestinian areas caused by Israeli roadblocks and a shortfall in the collection of funds pledged last year by international donors, including Gulf oil states, in Paris: 巴勒斯坦权力机构总理法亚德对此不是那么乐观,他谈到,以色列采取封锁措施,而包括波斯湾石油输出国等国际间各个捐助国去年在巴黎表示要给予巴勒斯坦的经济援助还没有全部落实。这些都使巴勒斯坦面临经济困境。"I said that the process was not proceeding in terms of pace or content in a manner to attain or achieve the goal that was set out at the Annapolis meeting. So therefore, if things continue to proceed along the path they are, or they have been, it is unlikely that objective is going to be met," said Fayyad. 法亚德说:“我要说的是,整个进程在速度和实质内容上,都没能达到安纳波利斯会议所设定的目标。因此,假如还是这么继续下去的话,就很难达到预定目标。”Rice's trip to Israel and the Palestinian areas is her 15th in two years.  赖斯国务卿此次对以色列和巴勒斯坦的访问,是她过去两年来对这个地区的第15次访问。The secretary will meet late Saturday with Israeli Prime Minister Ehud Olmert. On Sunday she will have talks in the West Bank town of Ramallah with Palestinian President Mahmoud Abbas - as well as hold two trilateral meetings with senior officials of both sides. 赖斯国务卿定于星期六晚间会晤以色列总理奥尔默特,星期天,她将前往约旦河西岸城市拉马拉,与巴勒斯坦民族权力机构主席阿巴斯会谈。与此同时,她还将与巴以双方的高级官员举行两轮三边会谈。Rice will be laying the groundwork for President Bush, who will try to advance the peace process in a visit to Israel, Saudi Arabia and Egypt from May 13 to the 18. 赖斯国务卿此次中东之行是为布什总统的访问做一个铺垫。布什将于五月13号到五月18号访问以色列、沙特阿拉伯和埃及,推动和平进程。Earlier this week he acknowledged that achieving peace is an uphill task but said he is still hopeful an agreement can be finished by the end of his presidency in January . 这个星期早些时候,布什总统承认,实现和平是一个艰巨的任务。但是他仍对年1月他卸任之前各方能够达成协议抱有希望。The president will attend observances of Israel's 60th independence anniversary but has no plans at present for a joint peace summit with Israeli and Palestinian leaders. 布什总统将出席以色列独立60周年纪念活动,但是到目前为止,还没有计划要出席以色列和巴勒斯坦领导人的和平首脑会议。200805/37525鹰潭市月湖区余江县贵溪市那家医院做复通手术 南昌/华山医院看不育好不好

南昌/县安义县进贤县治疗免疫性不孕多少钱But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough for life to form?Well, when we look at the history of life on Earth, it appears to start very quickly, maybe a hundred million years. Now that seems like a long time, but for a planet that's short. So I would guess that if there was water on Mars for a couple of hundred million years, then life had a good shot at getting started there. And soon they found evidence that water had been there for millions of years. It was all because of one very important picture. Sent back in December 2000, it was a vast formations of sedimentary rock. Sediment is basically made of sand, and could only have been deposited over millions of years by a huge body of water, like a lake or an ocean. It showed that there had not only been masses of water, but that it had been around easily long enough for life to form. The sediments on the surface are now dry and exposed. If they ever had contained life, it cannot possibly have survived. However, scientists hope that microbes deeper down might still be alive, frozen in the ground. To find the actual organic remains of a Martian organism, we are gonna need to go to the frozen material. In the ice life might have been preserved, frozen in a state of suspended animation. No one at this stage could know if microbes, formed millions of years ago, could have survived on Mars. But there are indications that this really is possible. Antarctica, the closest place on Earth to conditions on Mars. More extreme even than Iceland, it's the coldest place on our planet. Until a few years ago, no one thought that anything could survive being deep frozen for millions of years. But research here has helped change that. sedimentary rock: Rock formed at or near the Earth's surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are deposited long enough to become compacted and cemented into hard beds or strata. They are the most common rocks exposed on the Earth's surface but are only a minor constituent of the entire crust. Their defining characteristic is that they are formed in layers. Each layer has features that reflect the conditions during deposition, the nature of the source material (and, often, the organisms present), and the means of transport200809/48546 宜春市宜丰县靖安县铜鼓县治疗宫外孕习惯性流产价格表宜春市宜丰县靖安县铜鼓县检查不孕不育多少钱



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