在血培养瓶内应注入的血液量应为 A．2ml B．5ml C．8ml D．9ml E．

求证：当x≥1时，

After that, he knew he could _________ any emergency by doing what he could to the best of his ability. [ ]

A. get away with  

B. get on with  

C. get through    

D. get across

急性早幼粒细胞白血病起病初期常表现为弥散性血管内凝血。（）

接上题，国家法定的企业职工退休年龄是女工人年满( )周岁。

A．50

B．55

C．60

D．65

地面信息处理插件输入信号采用隔离放大器进行隔离。