急性下壁心肌梗死最易合并
A．心房颤动
B．右束支传导阻滞
C．房室传导阻滞
D．室性早搏
E．房性心动过速
参考答案：C
Not only the parents but also James ____ London.They will come back in a month. [ ]
A. has been to
B. have been to
C. has gone to
D. have gone to
如图所示，盛有液体的容器内有A、B、C三点。设在这三点处由液体重力而产生的压强分别为PA、PB、PC。三者相比较压强最小的是_______ ，最大的是_______ 。
