项目组织结构设计应使项目的所有参加者都易于（）。
A.分工
B.分配职责
C.沟通
D.协作
E.考核
参考答案：C, D
在我国，肝癌高发区为
A．广东
B．河南林县
C．河北磁县
D．太行山脉
E．江苏启东
In NAVTEX service, VITAL warnings will（）by transmitting station.
A.be transmitted at once though the frequency is not clear
B.be transmitted as soon as the frequency is cleared coordinately
C.be transmitted at its scheduled transmissions
D.be transmitted at next scheduled transmissions
