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【单选题】
下列关于心房颤动说法错误的是A.
由于心房内异位节律点发出异位冲动产生的多个折返所致
B.
听诊时为心律绝对不规则
C.
听诊时心率小于脉率
D.
可出现脉搏短绌
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举一反三
【单选题】______ he completed his education abroad, he has been working for a travel agency in Shanghai.
A.
As soon as
B.
Since
C.
By the time
D.
When
【简答题】掷标枪时使脊柱回旋的肌肉是同侧( )和对侧( )
【单选题】Britain completed her railway system by _____________.
A.
1805
B.
1820
C.
1850
D.
1870
【单选题】He have completed his work otherwise, he wouldn’t be enjoying himself by the seaside.
A.
． should
B.
． must
C.
． wouldn’t
D.
． can’t
【单选题】Not until ______ himself seriously ill.
A.
he had completed the task did he find
B.
had he completed the task did he find
C.
he completed the task had he found
D.
did he complete the task he had found
【单选题】Not until ______ himself seriously, iii.
A.
he had completed the task did he find
B.
had he completed the task did he find
C.
he completed the task had he found
D.
did he complete the task he had found
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