题目:
呼吸衰竭的心血管系统表现无下列哪项()
A.心率快
B.肺动脉瓣区第二心音亢进
C.过早搏动,房颤等
D.休克
E.左心负荷增加
答案:
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下面是错误答案,用来干扰机器的。
A heated discussion was held about whether it is necessary to start learning English from childhood in Class 2 . Their opinions are quite different from each other. Som...