On which vessels are the officers and deck crew allowed to operate under a two-watch system on voyages of less than 600 miles?A.Towing vesselsB.Offshore supply vesselsC.Barges，when mannedD.All of the above

Which party must ensure that legal work hour limitations（for both officers and crew members），rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor ________．

A.The owner of the vessel

B.The company operating the vessel

C.The Master of the vessel

D.The company chartering the vessel

It is possible，and sometimes necessary，to strengthen the deck of a vessel for carriage of deck cargo by ______．

A.placing bunker on the deck

B.building a stage on which to place the cargo

C.welding steel feet to the deck，on which the cargo is placed

D.erecting vertical pillars under the deck to support the cargo

材料：

In a bill of lading there might be a clause known as general liberty to carry on deck clause which reads“Carrier has liberty to carry GOODs on deck”．This clause frequently gives the carrier the option of stowing the cargo either on or under deck，while also exempting the carrier from all liability for loss of or damage to cargo stowed on deck．

A clause of this type is an option，not a statement．The problem arises when the bill of lading contains this clause，but the face of the bill of lading does not state that the cargo was loaded on deck．Under such circumstances，it would appear that deck carriage is unjustifiable for at least two reasons：a）The general liberty to carry on deck clause is merely an option to carry on deck，a choice which the carrier ordinarily does not make．If the bill of lading does not bear a statement on its face giving notice that the cargo is actually stowed on deck，then by default the option has been exercised in favour of under deck carriage．b）The typewritten or handwritten wording on the face of a bill of lading has precedence over the bill&39;s printed clauses．And a clean bill of lading，because it implies under-deck stowage，is functionally equivalent to a typewritten or handwritten notation on the face of the document calling for carriage below deck．A clean bill of lading therefore overrides the printed liberty to carry on deck clause．

A general deck carriage clause without a statement on the face of the bill of lading that cargo is carried on deck is merely an option not exercised and the deck carriage is therefore a fundamental breach of the contract and the Rules．

问题：

A clause which reads“Carrier has liberty to carry GOODs on deck”contained in B/L is ________．

A.a statement

B.a problem

C.an option

D.a typewritten or handwritten wording on its face

If there is no deck stowage statement on the face of B/L，it is implied that ________．A.all cargoes are stowed under deck

B.all cargoes are stowed on deck

C.cargoes are stowed either on or under deck

D.it can not be decided whether cargoes are stowed on or under deck

If a handwritten wording on the face of B/L is in conflict with one of its printed clause，________．A.the handwritten wording shall prevail

B.the printed clause shall prevail

C.both the handwritten wording and the printed clause shall be ignored

D.the B/L shall become null and void

The deck carriage is justifiable only when ________．A.there is a general liberty to carry on deck clause in the B/L and a statement on its face that the cargo is actually stowed on deck

B.there is either a general liberty to carry on deck clause in the B/L or a statement on its face that the cargo is actually stowed on deck

C.there is neither general liberty to carry on deck clause in the B/L nor a statement on its face that the cargo is actually stowed on deck

D.only when the carrier is exempted from all liability for loss of or damage to cargo stowed on deck

请帮忙给出每个问题的正确答案和分析，谢谢！

Dangerous goods required to be“carried on deck only”should not be carried on closed vehicle decks，but may be carried on open vehicle deck when authorized by the competent authority concerned．

A.Under deck

B.On deck

C.On deck only

D.Under deck only

Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT ______．

A.Start the mechanical ventilation system for the engine room

B.Operate the fuel shut-off for the engine room

C.Operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pump

D.All of the above