一病人在插肺动脉导管过程中突然咳嗽、咯大量鲜红色血液,最可能的是()
A.诱发左心衰
B.支气管扩张
C.血栓脱落引起肺梗死
D.心包填塞
E.肺动脉破裂、出血
参考答案:E
The book tells stories of the earthquake through the eyes of those _______ lives were affected.
A.who
B.that
C.whose
D.which
煤气管道的计算压力大于或等于100kPa时,应进行强度试验,强度试验合格后不必进行严密性试验。()