单项选择题 Female Bullfighting It was a unique, eye-catching sight: an attractive woman in a shiny bullfighter's suit,sword in hand, facing the sharp horns of a black, 500-kilogram beast.Most people thought the days of female bullfighting were over in Spain.____________（46）The first woman fighter, Cristina Sanchez, quit in 1999 because of male discrimination （歧视）. But Vega is determined to break into what could be Spain's most resistant male field.____________（47）Spanish women-have conquered almost all male professions.____________（48） 'The bull does not ask for youridentity card,' she said in an interview a few years ago. She insisted that she be judged for her skills rather than her femaleness.Vega became a matador （斗牛士） in 1997 in the southwestern city of Caceres.____________（49） She entered a bullfighting school in Malaga at age nine and performed her first major bullfight at age 14. She has faced as much opposition as Sanchez did. And the 'difficulties have made her grow into a very strong bullfighter,' her brother Jorge says.The 1.68-metre tall and somewhat shy Vega says her love of bullfighting does not make her any less of a woman.____________（50） A．She interids to become even better than Sanchez was.（有雄心壮志的） bullfighter.B．Her father was an aspiring C．But many bullfighting professionals continue to insist that women do not have what it takes to perform. the country's 'national show'.D．'I'm a woman from head to toe and proud of it,' she once said.E．She,looks like a male bullfighter. F．But recently, 29-year-old Marl Paz Vega became the second woman in Spanish history to fight against those heavy animals. 第 46 题 请选择（46）处的最佳答案．

单项选择题 A．to B．for C．with D．on

未知题型 8月，草鱼在水表层打转或狂游，尾鳍上叶常露出水面，鳃苍白无血色，鳃丝末端膨大成棒槌状。肉眼可见鳃丝末端内侧有乳白色虫体。该病最可能的诊断是（）