房颤患者心室律变得规则可能是()
A.发生房室交界区性心动过速
B.转变为房扑
C.室性心动过速
D.转变为房性心动过速
E.恢复窦性心律
参考答案:A, B, C, D, E
— What were you doing when we were playing basketball yesterday afternoon?
— I ______ the classroom.
A.was cleaning
B.have cleaned
C.will clean
D.clean
利率