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【单选题】
心律失常冲动形成异常不包括哪些类型( )
【单选题】
以下哪一项不是多发伤病人易发生心律失常的原因
【单选题】
以下不属于冲动形成异常的心律失常是( )
【单选题】
下列对旁路参与的折返性心律失常叙述有误的是
①
旁路作为折返环的一条路径,而房室结作为折返环的另一条路径
②
当激动沿房室结前传、沿旁路逆传时,则会发生折返性心律失常(顺向型传导)
③
只要不同时合并室内传导阻滞,那么沿房室结前向传导的QRs波群是宽的(有δ波)
④
如果激动沿旁路前传、沿房室结逆传(逆向传导),那么QRs波群是宽的(就像室性心动过速)
【单选题】
哪一项不属于缓慢性心律失常的心源性病因
【单选题】
It _____to see so many children in that mountainous area cannot even afford elementary education.
【单选题】
To an especially sensitive child, a simple scolding can be a _____experience.
【单选题】
It is _____ with the customer not to let the shop assistants guess what she really likes and wants until the last moment.
【单选题】
It was requested that all of the equipment _____in the agreed time.
【单选题】
I will be glad to get acquainted _____ the girl you introduced.
【单选题】
She stumbled and _____ the coffee.
【单选题】
Nobody knows his _____ for helping us.
【单选题】
Communication between a young couple is a(n) _____business.
【单选题】
To _____ these two ideas is impossible, they are too different.
【单选题】
All of the plants now farmed on a large scale were developed from plants _____wild.