The trickle of older folks returning to the city has grown into a steady stream. While some cities, especially those with few cultural offerings, have seen an exodus of seniors, urban planners say others have become retirees magnets. Between 1999 and 2000, the population of 64-to-75-year-olds in downtown Chicago rose 17 percent. Austin, New Orleans, and Los Angeles have seen double-digit increases as well. There may be hidden health benefits to city living. A study reveals that moving from suburbs to the city can ward off the byproduct of aging---social isolation. In the next six years, downtowns are expected to grow even grayer. For affluent retirees, city life is an increasingly popular option.
48. Retired seniors are moving back into the city because ____________.
A. they find there are too many crimes in the suburbs
B. unlike the flats in the city, their country house have stairs to climb
C. they are no longer interested in playing golf
D. in the city, they have more social and cultural life against loneliness
49. From the passage we can infer that _________.
A. the real-estate developers have broken their original contracts of construction with senior retirees
B. a life in the downtown city is expensive, and most of those retirees who moved back into the city are very well-off
C. with more older people living in the city, the city will become gray and less beautiful
D. very soon the American suburban areas will face their low population crisis
50. Fran McCarthy’s question means: nobody ever thought that __________.
A. people who moved out of the city decades ago now would move back
B. suburban dwellers when moving back into the city must take round trip
C. suburban flight years ago would go in circles
D. senior people’s moving back into the city would take place all over the United States
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