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【单选题】
男性，55岁，黑矇4年，伴胸闷乏力，近1年加重。查体：心界不大，心率45次／分，节律不齐，双肺无啰音，下肢无浮肿。心电图示PP间期显著延长，达2.6秒，其间无P波及QRS波，长PP间期与基本PP间期无倍数关系。可能是（）A.
动不齐
B.
心动过缓
C.
一度传导阻滞
D.
二度传导阻滞
E.
停搏
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皮皮学刷刷变学霸
举一反三
【简答题】噪声是电位器的一个重要参数,电位器的噪声包括( )、( )和( )三种。
【简答题】Which company _____ Liz work for now?
【单选题】A company should use a strategy to stimulate more usage of its products or services if
A.
the company is not the market leader but its brand is superior to a leader’s
B.
the company is not the market leader and its brand is inferior to a leader’s
C.
the company is the market leader and its brand usage is high
D.
the company is the market leader but its brand usage is low
【单选题】Which of the following is NOT a company in the energy sector?
A.
Shell.
B.
ICI.
C.
RTZ.
D.
British Gas.
【单选题】I will be in ________ of this company in five years.
A.
blame
B.
charge
C.
scold
D.
curse
【单选题】He _________ a manager with a big company.
A.
signed as
B.
signed for
C.
signed up as
D.
signed up
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