Who makes the unknown-to-the-public linguistic theory become the foundation of cognitive science, psychology, computer technology and artificial intelligence’
August Schleicher.
B. H. G. Widdowson.
C. Avram Noam Chomsky.
D. John Lyons.
Scotland Yard’s top fingerprint expert, Detective Chief superintendent Gerald Lamhourne had a request from the British Museum’s Prehistoric department to force his magnifying glass on a mystery somewhat outside my usual beat. This was not a question of Whodunit, but Who Was lt. The blunt instruments, he pored over were the antlers of red deer, dated by radio-carbon examination as being up to 5,000 years old. They were used as mining picks by Neolithic man to hack flints and chalk, and the fingerprints he was looking for were of our remote ancestors who had last wielded them. The antlers were unearthed in July during the British Museum’s five-year-long excavation at Grime’s Graves. near Therford, Norfolk, a 93 acre site containing more than 600 vertical shafts in the chalk some 40 feet deep. From artifacts found in many parts of Britain it is evident that flint was extensively used by Neolithic man as he slowly learned how to farm land in the period from 3, 000 to 1, 500 B. C. Flint was especially used for ax-heads to clear forests for agriculture, and the quality of the flint on the Norfolk site suggests that the miners there were kept busy with many orders. What excited Mr. CT. Sieveking, the museum’s deputy director of the excavations, was the dried mud still sticking to some of them. "Our deduction is that the miners coated the base of the antlers with mud so that they could get a better grip," he says. "The exciting possibility was that fingerprints left in this mud might at last identify as individuals as people who have left few relics, who could not read or write, but who may have had much more intelligence than had been supposed in the past." Chief Superintendent Lambourne, who had "assisted" the British Museum by taking the fingerprints of a 4, 000-year-old Egyptian mummy, spent two hours last week examining about 50 antlers. On some he found minute marks indicating a human hand--that part of the hand just below the fingers where most pressure would be brought to bear the wielding of a pick. After 25 years’ specialization in the Yard’s fingerprints department, Chief Superintendent Lambourne knows all about ridge structures--technically known as the "tri-radiate section". It was his identification of that part of the hand that helped to incriminate some of the Great Train Robbers. In 1995 he discovered similar handprints on a bloodstained tee-maker on a golf-course where a woman had been brutally murdered. They eventually led to the killer, after 4, 065 handprints had been taken. Chief Superintendent Lamboure had agreed to visit the Norfolk site during further excavations next summer, when it is hoped that further hand-marked antlers will come to light, But he is cautious about the historic significance of his findings. "Fingerprints and handprints are unique to each individual but they can tell nothing about the age, physical characteristics, even sex of the person who left them," he says. "Even the finger prints of gorilla could be mistaken for those of a man. But if a number of imprinted antlers are recovered from given shafts on this site I could at least determine which antlers were handled by the same man, and from there might be deduced the number of miners employed in a team." "As an indication of intelligence I might determine which way up the miners held the antlers and how they wielded them." To Mr. Sieveking and his museum colleagues, any such findings will be added to their dossier of what might appear to the layman as trivial and unrelated facts but from which might emerge one day an impressive new image of our remote ancestors. (620) The idea that mud was applied to the antlers deliberately was ______.
A. the result of an inspired guess
B. a possibility based on reasoning from facts
C. an obvious conclusion
D. a conclusion based on other similar cases
If pollution continues to increase at the present rate, formation of aerosols in the atmosphere will cause the onset of an ice age in about fifty years’ time. This conclusion, reached by Dr. S. I. Rasool and Dr. S. H. Schneider, of the United States Goddard Space Flight Center, answers the apparently conflicting question of whether an increase in the carbon di- oxide content of the atmosphere will cause the earth to warm up or increasing the aerosol content will cause it to cool down. The Americans have shown conclusively that the aerosol question is dominant. Two specters haunting conservationists have been the prospect that meddling with the environment might lead to the planet’s becoming unbearably hot or cold. One of these ghosts has now been laid, because it seems that even an increase in the amount of carbon dioxide in the atmosphere to eight times its present value will produce an increase in temperature of only 2(上标)C, which would take place over several thousand years. But the other problem, now looms larger than ever. Aerosols are collections of small liquid or solid particles dispersed in air or some other medium. The particles are all so tiny that each is composed of only a few hundred atoms. Because of this they can float in the air for a very long time. Perhaps the most commonly experienced aerosol is industrial smog of the kind that plagued London in the 1950s and is an even greater problem in Los Angeles today. These collections of aerosols reflect the sun’s heat and thereby caused the earth to cool. Dr. Rasool and Dr. Schneider have calculated the exact effect of a dust aerosol layer just above the earth’s surface on the temperature of the planet. As the layer builds up, the present delicate balance between the amount of heat absorbed from the sun and the amount radiated from the earth is disturbed. The aerosol layer not only reflects much of the sun’s light but also transmits the infrared radiation from below almost unimpeded. So, while the heat input to the surface drops, the loss of heat remains high until the planet cools to a new balanced state. Within fifty years, if no steps are taken to curb the spread of aerosols in the atmosphere, a cooling of the earth by as much as 3.5。C seems inevitable. If that lasts for only a few years, it would start another ice age, and because the growing ice caps at each pole would themselves reflect much of the sun’s radiation, it would probably continue to develop even if the aerosol layer were destroyed. The only bright spot in this gloomy forecast lies in the hope expressed by Dr. Rasool and Dr. Schneider that nuclear power may replace fossil fuels in time to prevent the aerosol content of the atmosphere from becoming critical. How would the increasing area of ice itself lower the temperature of the planet
A. By absorbing more and more particles.
By reflecting much of the sun’s heat.
C. By attracting more and more travelers.
D. By increasing the carbon dioxide content of the atmosphere.
Later the Greeks moved east from Cumae to Neapolis, the New City, a little farther along the coast where modern Naples now stands. We have a very good idea what life in this sun-splashed land was like during the Roman era because of the recovered splendor of Pompeii and Herculaneum. But as the well-trod earth of Campania continues to yield ancient secrets, Mastrolorenzo and Petrone, with their colleague Lucia Pappalardo, have put together a rich view of an earlier time and what may have been humankind’s first encounter with the primal force of Vesuvius. Almost all has come to light by chance. In May 2001, for example, construction workers began digging the foundation for a supermarket next to a desolate, weed-strewn intersection just outside the town of Nola. An archaeologist working for the province of Naples noticed several trances of burned wood a few feet below the surface, an indication of earlier human habitation. At 19 feet below, relicts of a perfectly preserved Early Bronze Age village began to emerge. Over the next several months, the excavation unearthed three large prehistoric dwellings: horseshoe shaped huts with clearly demarked entrances, living areas, and the equivalent of kitchens. Researchers found dozens of pots, pottery plates, and crude hourglass-shaped canisters that still contained fossilized traces of almonds, flour, grain, acorns, olive-pits, even mushrooms. Simple partitions separated the rooms; one hut had what appeared to be a loft. The tracks of goats, sheep, cattle, and pigs, as well as their human masters, crisscrossed the yard outside. The skeletons of nine pregnant goats lay in an enclosed area that included an animal pen. If a skeleton can be said to cower, the bones of an apparently terrified dog huddled under the eaves of one roof. What preserved this prehistoric village, what formed a perfect impression of its quotidian contents right down to leaves in the thatch roofs and cereal grains in the kitchen containers, was the fallout and surge and mud from the Avellino eruption of Vesuvius. Claude Albore Livadie, a French archaeologist who published the initial report on the Nola discovery, dubbed it "a first Pompeii". During May and June 2001, provincial archaeological authorities oversaw excavation of the site Mastrolorenzo hurried out to Nola, about 18 miles east of Naples. He and Pappalardo took samples of the ash and volcanic deposits, which contained chemical clues to the magnitude of the eruption. But then the scientific story veered off into the familiar opera buffa of Italian archaeology. The owner of the site agitated for construction of the supermarket to resume or to be compensated for the delay—not an unusual dilemma in a country where the backhoes and bulldozers of a modern economy clang against the ubiquitous remains of ancient civilizations. Government archaeologists hastily excavated the site and removed the objects. As it turns out, the supermarket was never built, and all that remains of a site that miraculously captured one of civilization’s earliest encounters with volcanic destruction is a hole in the ground on a vacant, weed-choked lot, the foundation walls of the huts barely visible. A small, weathered sign proclaiming the "Pompeii of Prehistory" hangs limply from a padlocked gate. Despite the loss of Nola as well as some other archaeological sites, Mastrolorenzo, Petrone, Pappalardo, and American volcanologist Michael Sheridan triggered world wide fascination when they summarized these findings in the spring of 2006 in the Proceedings of the National Academy of Sciences (PNAS). But their research went beyond mere archaeological documentation. The Avellino event, they wrote, "caused a social-demographic collapse and abandonment of the entire area for centuries. " The new findings, along with computer models, show that an Avellino-size eruption would unleash a concentric wave of destruction that could devastate Naples and much of its surroundings. In the world before Hurricane Katrina and the Indian Ocean tsunami, these warnings might have sounded as remote and transitory as those prehistoric footsteps. Not anymore. According to the discovery of the relicts of Nola, we CANNOT conclude that people in this village
A. made artware.
B. grew crops.
C. tended flocks.
D. lived with their livestock.