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¡¡¡¡One thing the tour books don¬ðt tell you about London is that 2,000 of its residents are foxes. As native as the royal family, they fled the city about centuries ago after developers and pollution moved in. But now that the environment is cleaner, the foxes have come home, one of the many wild animals that have

moved into urban areas around the world.

¡¡¡¡¡°The number and variety of wild animals in urban areas is increasing,¡± says Gomer Jones, president of the National Institute for Urban Wildlife, in Columbia, Maryland. A survey of the wildlife in New York¬ðs Central Park last year tallied the species of mammals, including muskrats, shrews and flying squirrels. A similar survey conducted in the 1890s counted only five species. One of the country¬ðs largest populations of raccoons now lives in Washington, D.C., and moose are regularly seen wandering into Maine towns. Peregrine falcons dive from the window ledges of buildings in the largest U.S. cities to prey on pigeons.

¡¡¡¡Several changes have brought wild animals to the asphalt jungles¡ªand, vice versa. Foremost is that air and water quality in many cities has improved as a result of the 1970s¬ð pollutionª²control efforts. Meanwhile, rural areas have been built up, leaving many animals on the edges of suburbia. In addition, conservationists have created urban wildlife refuges.

¡¡¡¡The Greater London Council last year spent $750, 000 to buy land and build 10 permanent wildlife refuges in the city. Over 1,000 volunteers have donated money and cleared rubble from derelict lots. As a result, pheasants now strut in the East End and badgers scuttle across lawns near the center of town. A colony of rare house martins nests on a window ledge beside Harrods, and one evening last year a fox was seen on Westminster Bridge looking up at Big Ben.

¡¡¡¡For peregrine falcons, cities are actually safer than rural cliff dwellings. £NBy 1970 the birds were extinct east of the Mississippi because the DDT had made their eggs too thin to support life. That year, ornithologist Tom Cade of Cornell University began raising the birds for release in cities, for cities afforded abundant food in the form of pigeons and contained none of the peregrine¬ðs natural predators.

¡¡¡¡¡°Before they were exterminated, some migrated to cities on their own because they had run out of cliff space,¡± Cade says. ¡°To peregrines, buildings are just like cliffs.¡± He has released about 30 birds since 1975 in New York, Baltimore, Philadelphia and Norfolk, and of the 20 pairs now living in the East, half are urbanites. ¡°A few of the young ones have gotten into trouble by falling down chimneys and crashing into windowª²glass, but overall their adjustment has been successful.¡±£Û458 words£Ý

¡¡¡¡11. The first paragraph suggests that

¡¡¡¡£ÛA£Ý environment is crucial for wildlife.

¡¡¡¡£ÛB£Ý tour books are not always a reliable source of information.

¡¡¡¡£ÛC£Ý London is a city of fox.

¡¡¡¡£ÛD£Ý foxes are highly adaptable to environment.

¡¡¡¡12. The selection is primarily concerned with

¡¡¡¡£ÛA£Ý wildlife of all kinds returning to large cities to live.

¡¡¡¡£ÛB£Ý falcons in New York, Baltimore, Philadelphia, and Norfolk.

¡¡¡¡£ÛC£Ý moose stumbling into plate¡ªglass storefronts.

¡¡¡¡£ÛD£Ý foxes returning to London.

¡¡¡¡13. In the 4th paragraph the pheasants, badgers, and martins etc. are mentioned to

¡¡¡¡£ÛA£Ý explain their living habit.

¡¡¡¡£ÛB£Ý make known their habitat.

¡¡¡¡£ÛC£Ý show the endeavors of Londoners to make the city habitable for wildlife.

¡¡¡¡£ÛD£Ý to encourage volunteers to do something for the species.

¡¡¡¡14. Paragraph 3 denotes

¡¡¡¡£ÛA£Ý that air and water quality has improved in the cities.

¡¡¡¡£ÛB£Ý why wildlife likes the noise and commotion in the cities.

¡¡¡¡£ÛC£Ý that wildlife refuges have been built in the cities.

¡¡¡¡£ÛD£Ý why wildlife is returning to cities.

¡¡¡¡15. Cities make good homes for peregrine falcons because they provide

¡¡¡¡£ÛA£Ý bountiful nesting areas, abundant food, and rainwater control basins.

¡¡¡¡£ÛB£Ý abundant food, buildings that resemble cliffs, and no natural predators.

¡¡¡¡£ÛC£Ý large buildings with chimneys, other wildlife, and wellª²lighted nesting areas.

¡¡¡¡£ÛD£Ý abundant food, chimneys, rubble, and window sills.

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