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【单选题】
患者女，38岁。因患慢性风湿性心瓣膜病、二尖瓣狭窄收入院。患者近来症状严重，医生要求护士观察心律变化，及时发现心律失常的发生。风心病二尖瓣狭窄最常见的心律失常是A.
心房颤动
B.
心动过速
C.
动过缓
D.
室性期前收缩
E.
房室传导阻滞
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举一反三
【单选题】What does Student B mean when he says this?
A.
It's hard to imagine an emotionally independent machine.
B.
Many new things nowadays were once ridiculous dreams.
C.
The technological changes have greatly influenced our life.
D.
People communicate better and live a more comfortable life.
【简答题】计算机网络的发展经过哪几个阶段?每个阶段各有什么特点?
【单选题】《水利水电土建工程施工合同条件》规定，《工程量清单》中开列的工程量是( )，不是承包人为履行合同应当完成的和用于结算的工程量。
A.
合同的估算工程量
B.
投标的预算工程量
C.
合同的准确工程量
D.
设计计算书的工程量
【单选题】What does Student B mean when she says this?
A.
It's hard to imagine an emotionally independent machine.
B.
Many new things nowadays were once ridiculous dreams.
C.
The technological changes have greatly influenced our life.
D.
People communicate better and live a more comfortable life.
【单选题】Although 'lie detectors' are widely used by governments, police departments and businesses, the results are not always accurate. Lie detectors are commonly【C1】______as emotion detectors, for their aim...
A.
known
B.
designed
C.
fixed
D.
produced
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