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【单选题】
心电图表现为提前出现的 QRS 波 , 宽大畸形 , 其前无 P 波 , 代偿间歇完全的心律失A.
房室交界性期前收缩
B.
搏
C.
室性期前收缩
D.
前收缩
E.
室性逸搏
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反馈参考答案：
举一反三
【单选题】The boy who offered me his seat is called Tom.
A.
simple sentence
B.
compoud sentence
C.
complex sentence
D.
compound-complex sentence
【单选题】The boy who offered me his seat is called Tom.
A.
simple sentence
B.
compound sentence
C.
complex sentence
D.
compound-complex sentence
【简答题】The boy who offered me his seat is called Tom.
【单选题】His classmates offered him their congratulations ______ his successful performance.
A.
at
B.
on
C.
for
D.
of
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