同一个建设工程项目可以有不同的项目结构的分解方法，项目结构的分解应与整个工程实施的部署相结合，并与将采用的合同结构相结合。项目结构分解可参考的原则有()。

A．有利于绘制组织结构 

B．有利于项目目标的控制 

C．有利于项目任务的发包 

D．有利于项目任务的实施 

E．有利于相关合同的管理 

What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port? （）

A.The vessel is not capable of performing all required distress and safety functions

B.The vessel is carrying more than the required number of qualified GMDSS radio operators

C.The vessel has a temporary waiver of its radio license and Safety Certificate

D.The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required