题型:问答题 简答题 Obama, _______ life was once hard when he was young, were elected President of American. A.for whomB.whoC.to whomD./ 查看答案
题型:问答题 简答题 男性,25岁,因受凉后突起畏寒、发热39.2。C,左侧胸痛伴咳嗽,咳少量铁锈色痰,胸部x线摄片左中下肺野大片淡薄阴影。其最可能的诊断是A.金黄色葡萄球菌肺炎B.结核性胸膜炎C.肺炎球菌肺炎D.原发性支气管癌合并阻塞性肺炎E.急性原发性肺脓肿 查看答案