左、右心衰的共同X线表现是（） A.上腔静脉影增宽 B.肺静脉扩_爱下问搜题

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问题单项选择题

左、右心衰的共同X线表现是（）

A.上腔静脉影增宽

B.肺静脉扩张

C.横膈抬高

D.胸腔积液

E.肺水肿

答案

参考答案：D

选择题

- Nobody but yon_______ late for school this morning.

- Sorry, I _______ to school when it began to rain heavily..

A．was; went

B．were; was going

C．was; was about to go

D．is; am going

问答题简答题

油罐火灾的扑救方法。