心律规则，心率正常可见于
A．室上性心动过速B．心房扑动伴4:1房室传导C．窦性心动过速D．心房颤动E．短阵室性心动过速
参考答案：B
The film directed by the famous director is beyond praise and it has certainly ________ my expectations.
A．led to
B．taken to
C．lived up to
D．agreed to
患者男性，83岁。5年前开始经常咳嗽、咳痰，近2个月来症状加重。今晨排便时，突然出现气急，呼吸困难。查体：呼吸30次／分，口唇发绀，气管轻度右偏，桶状胸，左肺叩诊呈鼓音，呼吸音消失。
最可能的诊断是（）
A.胸腔积液
B.气胸
C.急性心肌梗死
D.肺梗死
E.急性左心功能不全
