心肌梗死患者心脏破裂最常见部位是
A．左房游离壁
B．右房游离壁
C．室间隔
D．左室游离壁
E．右室游离壁
参考答案：D
How are you getting on with your work?
—I can’t do it any longer. I’ll have to get help.
A．carefully
B．quietly
C．alone
D．hard
收缩压发生于（）
A.快速充盈期末
B.等容收缩期末
C.等容舒张期末
D.快速射血期末
E.减慢射血期末
