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PREP07 Test 2
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Several educational research groups are denouncing the mayor's proposal of a system by which individual teachers would be given raises or bonuses should it be that test scores show their students' mastery of reading skills having improved over a nine-month period.
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Thirteen states from all regions of the country announced a plan to impose new controls on pollution from truck and bus engines in that they will jointly adopt emission limits that would be far stricter than the federal rules.
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Unlike battery-powered electric cars, automakers say that cars with fuel cells, which supply them with electricity, can provide driving range and performance similar to the internal combustion engine.
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PREP07 Test 2
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Diesel engines burn as much as 30 percent less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gases that have been implicated in global warming.
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PREP07 Test 2
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The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force a rethinking of the role of comets in the delivery of organic compounds to the evolving Earth.
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PREP07 Test 2
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Strawberries, unlike picking bananas that are green and can be ripened artificially, must be picked when they are fully ripe, and they remain at peak flavor for only four or five days after that.
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There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels: more than ten times as much energy is generated through wind power now than it was in 1990.
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Born into poverty and sent by her father into servitude at the age of seven, Martha Matilda Harper created America's first retail franchise network, a radical new business model that enabled women in the late nineteenth and early twentieth centuries to own their own businesses and gain financial independence.
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PREP07 Test 2 GWD
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The electronics company has unveiled what it claims to be the world's smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs less than 11 ounces.
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The ivory-billed woodpecker, once the largest woodpecker in North America at a striking 20 inches tall, has moved in and out of the extinct category, with scientists consistently unable to find solid proof for the bird to still exist.
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Astronomers have uncovered evidence that a star that was as bright as the full moon exploding into view 340,000 years ago, emitting dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.
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PREP07 Test 2
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In hoping to restrain economic growth, interest rates were raised by British policymakers, making it more expensive to borrow for businesses and consumers.
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PREP07 Test 2
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During the last interglacial period, the climate on the Earth was warmer than it is today, and the consequent melting of the polar ice caps caused the sea level to raise about 60 feet over and above what its height presently is now.
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PREP07 Test 2
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George Washington Carver dedicated his life to the economic strengthening of the South with improvement of soil and diversification of crops.
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PREP07 Test 2
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Constructed at least as early as the Sui dynasty (A.D. 581-618), the Altar of Heaven is the oldest known altar used in Chinese state religious practice, more than 1,000 years older than a similar one in Beijing, it is the only altar found so far that predates the Qing dynasty (A.D. 1644-1912).
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PREP07 Test 2
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After determining the levels of calcium carbonate and the types of fossilized algae present in core samples taken from the bottom of Lake Titicaca in the Andes, a group of scientists was able to reconstruct the history of precipitation in tropical South America over the past 25,000 years.
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Although the turtle has been toothless for more than 150 million years, in some contemporary turtle species the moderately sharp and jagged edges of their horny jaws function for teeth.
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A Food and Drug Administration rule implemented in December 2000 mandates that any new drug that they intend to be used both by adults and children must undergo pediatric study and that its manufacturers list children's doses on the label.
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A recently published report indicates that the salaries of teachers continue to lag far behind other college-educated professionals, because they make an average of nearly $8,000 a year less at the start of their careers and almost $24,000 less a year by the time they reach the age of 50.
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If a drug that is already on the market has the potential to help adults and children who have the same disease, or if it is widely used in children and the absence of labeling seems dangerous, the FDA can require that the drug undergo pediatric study.
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