精选优质文档-倾情为你奉上2014年高考英语阅读理解突破试题及答案(2)A sick little gift is being kept alive thanks to her best friend-a dog who carries her oxygen tank on his back. Alidas faithful dog companion Mr Gibbs has been specially trained to shepherd the three-year-old, who breathes through a tube most of the time. He follows her closely as she plays in her familys ten-acre land in Louisville, uses the slide or even rides her bike.Alida was diagnosed(诊断)with neuroendocrine hyperplasia of infancy(NEHI)when