为了帮助DDMM们做好泛读工作,学好雅思阅读,从今天起,我将不定期地甄选雅思背景文章在BLOG上供大家泛读用。
下面就以08年3月8日考试中一篇文章的类似背景文章为例,大家可以来试试水。
TIME:10
1700字
Creatures of the Thermal Vents
By Dawn Stover
The three-person submersible Alvin sank through the cold, dark waters of the Pacific Ocean for more than an hour, finally touching down on the sea floor more than 8,000 feet below the surface. It was December 1993, and the scientists inside the sub had come to this stretch of the East Pacific Rise, an underwater mountain range about 500 miles southwest of Acapulco, Mexico, to inspect a recently formed hydrothermal vent --- a fissure in the ocean bottom that leaks scalding, acidic water.
Peering out through the subs tiny windows, the visitors were astonished to see thickets of giant tube worms, some four feet tall. The tail ends of the worms were firmly planted on the ocean floor, while red plumes on the other ends swayed like a field of poppies. Alvin had brought researchers to the same spot less than two years earlier, when they had seen none of these strange creatures. Measurements at the site have since shown that individual tube worms can increase in length at a rate of more than 33 inches per year, making them the fastest-growing marine invertebrates . That means tube worms can colonize a vent more rapidly than scientists once thought.
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