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【单选题】
听诊心率正常而律不整齐, 可除外哪项心律失常()。A.
Ⅰ°房室传阻滞
B.
房颤
C.
室性早搏
D.
Ⅱ°Ⅰ型房室传导阻滞
E.
房扑4:1和3:1下传
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皮皮学刷刷变学霸
举一反三
【单选题】He told us that he would leave for Shanghai ( ).
A.
next day
B.
the next day
C.
the future day
【单选题】He told us ________ story that all of us were pleased to hear it.
A.
so interesting
B.
such interesting
C.
such an interesting
D.
so an interesting
【简答题】精密称定系指称取重量应准确至所取重量的（）；称定系指称取重量应准确至所取重量的（）。
【单选题】He told us that he ________ for two hours.
A.
hasbeen waiting for us
B.
had been waiting for us.
C.
is waiting for us
D.
waiting for us
【单选题】He told us that he was tired and thirsty because he ________ in the desert for days.
A.
walked
B.
has walked
C.
had walked
D.
would walk
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