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單項(xiàng)選擇題

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

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單項(xiàng)選擇題

The ship should be operated by a company which is issued a(an)（）relevant to ship.

A.ISM
B.DOC
C.SMC
D.PSC

單項(xiàng)選擇題

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

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