通气/血流比值(ventilation/perfusion ratio)
参考答案:
是指每分肺泡通气量(VA)和每分肺血流量(Q)之间的比值(VA/Q)。血液系统和心血管系统
— ______.
— I like koalas. [ ]
A. What's your favorite subject?
B. Where are the koalas from?
C. What animals do you like?
D. What language do you speak?
组织变革的征兆包括( )
A.决策失灵
B.沟通渠道阻塞
C.组织机能失效
D.缺乏创新
E.组织观念落后