输血最常见的并发症是 ( )
A.发热反应B.溶血反应C.过敏反应D.细菌污染反应E.循环超负荷
参考答案:A
The lawyer listened with full attention,()to miss any point.
A. not trying
B. trying not
C. to try not
D. not to try
二尖瓣关闭不全的杂音传导方向是()
A.向颈部传导
B.向心底部传导
C.向心尖部传导
D.向左腋下部传导
E.向剑突下传导