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【多选题】
正常心电图的T波,下列哪些是正确的A.
代表快速心肌复极的电位变化
B.
方向与QRS波群的主波方向相同
C.
振幅不应低于同导联R波的1/10
D.
T波在胸导联的振幅可达1.2mv～1.5mV
E.
T波在aVR导联向上
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皮皮学刷刷变学霸
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【简答题】A．John's house was burned down. B．John finally got rid of his shoes. C．John lost his intelt dog. D．John got into trouble with his neighbor.
【多选题】通货紧缩的促进论者认为,适度的通货紧缩有利于经济的增长。理由是( )
A.
将促进长期利率下降
B.
经济扩张的时间延长、维持经济稳定
C.
价格水平的下降与技术进步、经济增长可相互促进
D.
可提高人们的购买力
E.
低物价可吸引国外投资者
【单选题】—Is John coming by train? —He should, but he ______not. He likes driving his car.
A.
must
B.
can
C.
need
D.
may
【简答题】To this happening again, John suggested that the source of all the water supplies . A, stop, be examined B, keep, should be examined C, pr, examined D, stop,...
【简答题】John ( ) stop his car in time, so he hit the girl.
【单选题】— Is John coming by train? — He should, but he _____ not. He likes driving his car. [ ]
A.
must
B.
can
C.
may
D.
need
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