中、大型室间隔缺损的特点是()
A.可并发肺动脉高压
B.可并发肺炎
C.可并发心力衰竭
D.杂音大多以舒张期为主
E.P2大多增强
参考答案:A, B, C, E
The doctors tried their best to save the ______ woman, but unfortunately , ______ claimed(夺走) her.
A.dying; died
B.dead; death
C.dying; death
D.death; dying
针对跨国联属企业利用转移定价来实施国际避税的行为,各国通常采用下列哪种原则来实行反避税( )
A.正常交易原则
B.固定基地原则
C.常设机构原则
D.引力原则