编制检查工作方案时首先要明确需要检查的（）以及设备状况。

A、内容

B、周期

C、设备

D、方法

General requirements for a vessel’s radiotelephone station log are that（）.

A.logs must be kept in an orderly manner

B.erasures are not allowed

C.it must identify the vessel's name and official number

D.All of the above