会计电算化管理制度健全是申请计算机替代手工记账的必备条件。 ( )
参考答案：对
8237A清字节指示器命令的作用是( )
A．实现CPU一次就能读写16位寄存器的内容 B．使CPU不能访问8237A的16位寄存器C．使CPU能够访问16位寄存器的低8位 D．使CPU能够访问16位寄存器的高8位
All handling and stowage of packaged hazardous materials on board a domestic vessel engaged in foreign trable shall be done under the supervision of（）.
A.a HAS Marine Inspector
B.an officer assigned to the vessel by HAS
C.a officer from CCS
D.the National Cargo Bureau
