动脉导管结扎术易并发
A．Ⅲ度房室传导阻滞
B．肺动脉瓣返流
C．喉返神经损伤
D．膈神经损伤
E．三尖瓣返流
参考答案：C
- Are you coming to the concert?
- _______________ . Hearing a concert is my favourite.[ ]
A. You bet
B. It’s a pity
C. It doesn’t matter
Do you think _______ an American film tomorrow? [ ]
A. is there
B. there's going to be
C. will there be
D. there's going to have
