第5题: [单项选择]患者,女,46岁,风湿性心脏病,二尖瓣狭窄10余年,近一周来出现劳累后胸闷,心悸,休息后稍缓解,近两日来稍进行体力活动即感呼吸困难,伴咳嗽、咳痰,昨日夜间睡眠中忽然因胸闷憋醒,今晨急诊入院。查体:P68次/分,HR98次/分,BP105/75mmHg,RR18次/分,双颧绀红,端坐位,听诊心尖部可闻及局限、不传导的低调隆隆样舒张中晚期杂音。明确和量化诊断二尖瓣狭窄的最可靠方法是() A. X线检查 B. 心电图 C. 超声心动图检查 D. 介入检查 E. 主动脉造影 参考答案:C
第32题: [单项选择]A) 90 miles. B) 180 miles. C) 270 miles. D) 360 miles. 参考答案:C 答案解析:[听力原文] W: I heard that your family went to visit your aunt last weekend. Did you have a good time