单词：sediment budget
单词：sediment budget 相关文章
This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n
Scientific American(九)月
Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl
Scientific American(十一)月
(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called
托福听力短文
The British finance minister, Alistair Darling It's the time of year when the British taxpayer finds out how much the cost of beer, cigarettes and petrol - amongst other things - will go up in the coming twelve months. The Budget is the annual finan
Take Away English
About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec
2017年VOA慢速英语(五)月
Broadcast: Feb 09, 2003 In terms of dollars and cents, the 2004 budget request increases spending for defense, the war against terrorism and homeland security. It also expands tax cuts, a move the Bus
VOA2003（上）-科技先知
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o
Scientific American(四)月
Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known
VOA标准英语2012年(十月)
What then of manned space exploration? 那载人的空间探索呢？ The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result
TED演讲商业篇
The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t
世界各地新闻集锦
The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式，现在，人类不
经济学人综合
LOS ANGELES, Jan. 10 (Xinhua) -- One week after taking office, California Governor Jerry Brown announced a balanced state budget on Monday which slashes state spending by 12.5 billion U.S. dollars. The budget also includes an eight to 10 percent cut
英语新闻
CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University
英语新闻
The Speaker of the U.S. House of Representatives, John Boehner, says he stands ready to cut a budget deal with President Barack Obama - so long as no taxes are raised, leaving deep spending cuts as the sole vehicle to trim Americas massive $1.5-trill
英语新闻
BEIJING/WASHINGTON, March 2 (Xinhua) -- As Jacob Lew was sworn into office as the new U.S. Treasury Secretary on Thursday, U.S. President Barack Obama has so far put in place three key positions in his second-term cabinet. However, what greeted Lew,
英语新闻
U.S. President Barack Obama and Republican lawmakers reached a last-minute budget agreement late Friday, averting a potential government shutdown. Less than two hours before the deadline, Democrats and Republicans（共和党） agreed, in principle,
英语新闻
世界本没有长难句，修饰成分多了，便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候，多思考，一个句子为什么这么长，常见的修饰成分到底有哪些？
托福英语
RIO DE JANEIRO, Jan. 3 (Xinhua) -- Brzilian Planning Minister Miriam Belchior Monday confirmed planned federal budget cut in 2011, but said it is a routine（日常工作）. There are curtailments（缩减） every year. About the amount to be cut,
英语新闻