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【单选题】
What did Les Brown immediately do when he got his first chance?A.
He called the general manager, asking for his advice.
B.
He rushed to the booth and turned up the radio immediately.
C.
He lifted Rock onto a nearby couch.
D.
He couldn't wait to tell his mother and friends.
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举一反三
【单选题】符合左心房肥大的心电图改变是
A.
P波时限＜0.12s
B.
Ptf v1 绝对值为0.02mm·s
C.
P Ⅱ、Ⅲ、aVF 振幅≥0.25mV
D.
Ⅱ、Ⅲ、aVF导联P波时限≥0.12s，P波双峰，峰间距≥0.04s
E.
P波形态高尖
【单选题】符合左心房肥大的心电图改变是( )
A.
P波时限<0.12s
B.
Ptf 绝对值为0.02mm.s
C.
II、III、avF导联P振幅≥0.25mV
D.
Ⅱ、Ⅲ、aVF导联P波时限≥0.12s，P波双峰，峰间距≥0.04s
【单选题】符合左心房肥大的心电图改变是（）。
A.
P波时限<0.12s
B.
Ptf V1 绝对值为0.02mm.s
C.
P Ⅱ 、Ⅲ、aVF振幅≥0.25mV
D.
Ⅱ、Ⅲ、aVF导联P波时限≥0.12s，P波双峰，峰间距≥0.04s
E.
P波形态高尖
参考解析：
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