BY RAY SANCHEZ and NYNewsday.com STAFF WRITER December 19, 2005, 1:25 PM EST ...Cabs and commuter vans headed for Queens bus stops early today to pick up stranded travelers, but some residents were reluctant to pay the extra fare. "They're like sharks who smell blood," Bobby Chen said of the taxi and livery cabs circling a Jackson Heights transit hub shortly after the strike began.... ...Melanie Velasquez, 13, an eighth grader at Our Lady of Fatima School in Jackson Heights, had to walk to school from her home in East Elmhurst, a distance of about one mile... ...With his thumb in the air, construction worker George Romero, 23, was trying to catch a cab along Astoria Boulevard in Jackson Heights Monday morning. "I can't afford it," Romero said. "But I need to work."...