标签:mantle 相关文章
The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o
Indian government officials say prime minister Manmohan Singh was taken to a New Delhi hospital and is due to undergo coronary artery bypass graft surgery Saturday to clear blockages in his heart. Earlier in the week, the prime minister canceled a tr
AZUZ: The issue of immigration also factors into our next story from the Central European nation of Hungary. It held a general election Sunday that's expected to give the nation's incumbent leader, Prime Minister Viktor Orban another term. He and his
Plenty of politicians, celebrities and other newsmakers follow those directions quite well this past year. Or they said something worth repeating, just for the fun of it. For ultimately, the buck stops with me. Right, it's too damn hard. It's a lie,
Mars Lander Will Peer Inside Planet Absolutely spectacular missionand its not a rover, its a lander. Its designed to land and deploy several instruments. 这是一个绝对壮观的使命......它不是漫游者,而是着陆器。旨在登陆和部署
A: Mr. and Mrs. Robinson! Lets get straight to it. You have saved up your money for years and are now ready to build your dream home. What did you have in mind? B: A suburban bungalow straight out of the sixties! A perfect lawn with minimal landscapi
The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[ 地 ] 岩石圈 )is divided into a few dozen p
The absolute calm of the waves facilitated this operation. 海上风平浪静,十分有利于他进行观察。 The Nautilus lay motionless, neither rolling nor pitching. 鹦鹉螺号一动不动地,不摇晃,也不颠簸。 I was on the platfo
New Report Shares Secrets of Rare Blue Diamonds History The Hope Diamond is one of the worlds most famous jewels. It was in the possession of a series of people: kings, bankers, rich women and thieves, before its arrival 60 years ago at the Smithsoni
四、宾语从句结构宾语从句的引导词在前面的主从复合句中已经提到。这里指出的是填空题中关于宾语从句考的最多的两个结构: state(陈述,表明)+that
By Gary Thomas Washington 25 September 2007 Exiled former Pakistani Prime Minister Benazir Bhutto says she plans to return home, even without reaching a political deal with the country's military ruler. VOA Correspondent Gary Thomas reports the forme
By Ayaz Gul Islamabad 05 January 2006 Pakistan says it has dismantled the secretive nuclear proliferation network once headed by the founder of the country's own nuclear weapons program, Abdul Qadeer
By Michael Bowman Washington, DC 30 January 2007 watch Chavez Mantle report For nearly 50 years, Cuban President Fidel Castro has been Latin America's best-known leftist revolutionary. Who will wear the revolutionary mantle in the post-Castro era? M
Domestic Politics Limits Obama's Options on Syria As civil war continues to rage in Syria, the Obama administration is trying to confirm its belief that the Syrian government has used chemical weapons against its own people. President Obama has repea
打击恐怖主义的关键是当地社区 Next an editorial reflecting the views of the United States government. 下面这篇社论反映了美国政府的观点。 Local communities are the key to turning the tide against terrorism. Whether in Fra
SCOTT SIMON, HOST: Some books can sweep you away in the first sentence. Sarah Dooley's new book Ashes to Asheville begins with a riff that includes sisterhood, death, cute pets and saucy widows. Let's get the author to read it. SARAH DOOLEY: (Reading
Large Impacts May Cause Volcanic Eruptions巨大冲击引发火山喷发 Other rocky planets in our solar system show a common feature: within giant craters caused by impacts theres evidence of volcanic activity. Which made scientists wondercan big i
The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might
As these robot submarines accomplish great missions, the possibility of one day melting our way into Europas deep ocean is moving from fiction toward fact. Lets just imagine, there were on a little spacecraft with the capability to melt to the ice, w
Look at a map of Hawaii and you'll see volcanic islands strung out like pearls on a necklace. The biggest--and the youngest--is Hawaii, in the south-east corner. As the islands stretch away to the north-west they become older and more worn. While Haw