More than a century has passed since explorers raced to plant their flags at the bottom of the world, and for decades to come this continent is supposed to be protected as a scientific preserve, shielded from intrusions like military activities and mining.
出自-2016年12月阅读原文
Whether it is a transition from imported to domestic oil or from coal-powered electricity production to natural-gas power plants, politicians love to talk big.
出自-2015年12月阅读原文
When investors put up money to build, say, a nuclear power plant, they expect to earn that money back over the planned life of the plant, which is typically between 40 and 60 years.
出自-2015年12月阅读原文
Some coal power plants in the United States have operated for more than 70 years! The oldest continuously operated commercial hydro-electric plant in the United States is on New York's Hudson River, and it went into commercial service in 1898.
出自-2015年12月阅读原文
Bowman cannot plant the seeds without Monsanto's consent.
出自-2013年12月阅读原文
This varies dramatically depending on crop, from three calories for plant crops to 35 calories in the production of beef
出自-2013年12月阅读原文
He planted soybeans (大豆)sold as cattle feed.
出自-2013年12月阅读原文
He planted soybeans without paying for the patent
出自-2013年12月阅读原文
Have we really gotten to the point that planting a seed can lead to a high-stakes Supreme Court patent lawsuit?
出自-2013年12月阅读原文
Mass layoffs and plant closings have drawn plenty of headlines and public debate over the years, and they still occasionally do.
出自-2013年6月阅读原文
In a late 1990s study of blue-collar employees at a General Motors plant (now closed) in Linden, N. J., the sociologist Ruth Milkman of City University of New York found that many line workers, in their off-hours, did home renovation and other skilled work.
出自-2013年6月阅读原文
In addition, at that time a greater percentage of homes and electrical plants were run on petroleum than today.
出自-2013年6月阅读原文
billion coal-burning energy plant.
出自-2012年6月阅读原文
Dakota Gasification of North Dakota captures CO2 at a plant that converts coal into synthetic natural gas
出自-2012年6月阅读原文
The plant's carbon-capture technologies would serve as a pilot project for other new coal-burning plants.
出自-2012年6月阅读原文
David Card, an economist at UC Berkeley, notes that the ones who profit most directly from immigrants' low-cost labor are businesses and employers – meatpacking plants in Nebraska, for instance, or agricultural businesses in California.
出自-2011年6月阅读原文
The traits that characterise him are very contradictory to the racial stereotypes that black people are aggressive and uneducated,\ says Ashby Plant of Florida State University.
出自-2010年6月阅读原文
Sting in the tail Ashby Plant is one of a number of psychologists who seized on Obama's candidacy to test hypotheses about the power of role models
出自-2010年6月阅读原文
That's an unusually large drop,\ Plant says.
出自-2010年6月阅读原文
This suggests that Obama was strongly on their mind, says Plant
出自-2010年6月阅读原文
Over time he might become his own entity,\ says Plant.
出自-2010年6月阅读原文
All of them are manufactured in his own plant.
出自-2011年12月听力原文
They found fossils of microscopic marine plants which suggest that the region was once open ocean not solid ice.
出自-2010年12月听力原文
Also last year, Farrant and colleagues published a detailed molecular study of another candidate, Xerophyta viscosa, a tough-as-nail South African plant with lily-like flowers, and she says that a genome is on the way.
2018年6月六级真题(第一套)阅读 Section B
As the plant dries, these resources take on first the properties of honey, then rubber, and finally enter a glass-like state that is the most stable state that the plant can maintain, Farrant says.
2018年6月六级真题(第一套)阅读 Section B
Farrant and others in the resurrection business got together last year to discuss the best species of resurrection plant to use as a lab model.
2018年6月六级真题(第一套)阅读 Section B
In 2018, farmers will plant the varieties with the most promise in the Ebro Delta and Europe's other two main rice-growing regions—along the Po in Italy, and France's Rhone.
2018年6月六级真题(第二套)阅读 Section C
More than a century has passed since explorers raced to plant their flags at the bottom of the world, and for decades to come this continent is supposed to be protected as a scientific preserve, shielded from intrusions like military activities and mining
2016年12月六级真题(第三套)阅读 Section B
The oldest continuously operated commercial hydro-electric plant in the United States is on New York's Hudson river, and it went into commercial service in 1898.
2015年12月六级真题(第一套)阅读 Section B