A、Large passenger vessels
B、General cargo ships
C、Container ships
D、Oil tankers
更多“（） may have two emergency source of power, thus requiring two emergency switchboards.”相关的问题
A、Many ships have two derricks at each hatch. B、Many ships have two winches at each hatch. C、Many ships have two derricks and two winches at each hatch. D、Many ships have two derricks and two winches at each hatch cover.
A、must be lighted B、may have a flashing red light C、may have a fixed white light D、None of the above
A、two certificates have expired B、two certificates will expire C、one of the two certificates have expired D、one of the two certificates will expire
A、A.I twas shown the next week B、B.It is said to cos tmuch money C、C.Actually,Ihaven’t seen it yet D、D.You may have seen it too
A、Must I have your telephone number please？ B、May I have your telephone number please？ C、Need I have your telephone number please？ D、Would I have your telephone number please？
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