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【单选题】
关于房颤的心电图改变下列错误的是A.
心房率350～600次/分
B.
心室率不规则
C.
快速房颤室率可达180～250次/分
D.
可出现室内差异性传导
E.
伴R-R>1.5s常提示存在二度房室传导阻滞
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举一反三
【单选题】_______the company is upgrading its inter-office mailing system, employees will still proceed with their work as planned.
A.
Even if
B.
In short
C.
As if
D.
According
【单选题】When employees believe in the mission of the company, ______.
A.
the company will get bigger and bigger
B.
they don't mind how much salary they get
C.
they will make great efforts for the mission
D.
they don't care so much about the company's products
【单选题】Yes, invest in Inter Media It's definitely a company that is _________.
A.
making up
B.
going places
C.
without a hitch
【单选题】He _____by different people in the company.
A.
interviewed
B.
was interviewing
C.
was interviewed
【简答题】A .互生 B .对生 C .基生 D .簇生 E .轮生 11 .蒲公英的叶序类型为( )。 12 .银杏的叶序类型为( )。 13 .轮叶沙参、夹竹桃的叶序类型为( )。 14 .桑的叶序类型为为( )。 15 .女贞的叶序类型为( )。
【单选题】第十章28.在国内航空运输中,对每名旅客随身携带的物品,承运人的赔偿责任限额为每人()元。
A.
1000.0
B.
2000.0
C.
3000.0
D.
4000.0
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