单项选择题
A certificate, called a(an) （） ,should be issued to a ship by the Administration.
- A.ISM
B.DOC
C.SMC
D.PSC
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相关考题
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单项选择题
A(An)（）should be issued for every company complying with the requirement of the ISM Code by the Administration.
A.ISM
B.DOC
C.SMC
D.PSC -
单项选择题
The ship should be operated by a company which is issued a(an)（）relevant to ship.
A.ISM
B.DOC
C.SMC
D.PSC -
单项选择题
Christopher Columbus （） eighteen years （） planning for that wonderful voyage which he made across the Atlantic Ocean.
A.spends；in
B.spent；on
C.has spent；on
D.had spent；in
