第7题: [单项选择]女性,55岁,2个月前行风湿性心脏病二尖瓣置换术,术后3周起出现持续发热,体温波动在37.7~38.5℃,3天前突感心悸、气短,稍活动后即感呼吸困难,需高枕卧位。查体:心尖部出现3/6级收缩期吹风样杂音,两肺底可及细小水泡音,腹软,脾侧位可及。尿常规可见红细胞。该患者的病情变化最大的可能是() A. 肺部感染 B. 感染性心内膜炎 C. 急性风湿热 D. 泌尿系感染 E. 手术后低热 参考答案:B
第28题: [单项选择]The real purpose of the ruler’’s invitation was ________. A. to declare new ways of collecting tax B. to entertain those contributing much to the government C. to collect money from the persons invited D. to reward outstanding tax collectors 参考答案:C