单项选择题
A(An)（）should be issued for every company complying wit...
单项选择题A(An)（）should be issued for every company complying with the requirement of the ISM Code by the Administration.
The ship should be operated by a company which is issue...
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
Christopher Columbus （） eighteen years （） planning for ...
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
