The following conditions，except ______，require that vessels be towed through the entire Canal．
A.vessels without mechanical motive power
B.vessels with disabled machinery or bad steering
C.vessels with dangerous cargoes on board
D.vessels liable to become unmanageable for any other reason
第1题：
Sailing vessels are stand-on over power-driven vessels except ______.
A.in a crossing situation
B.in a meeting situation
C.when they are the overtaking vessel
D.on the inland waters of the PR China
第2题：
Fire protection regulations for towing vessels require that drills be conducted on board the vessel as if there were an actual emergency．Drills include all of the following，EXCEPT ______．
A.testing all alarm and detection systems
B.breaking out and using the vessel's emergency equipment
C.participation by selected crew members
D.one person putting on protective clothing，if the vessel is so equipped
第3题：
A、water
B、stool
C、food
D、air
第4题：
Which of the following describes how a distributed resumable transaction behaves？（）
第5题：
A METHOD OF TOWING VESSELS THROUGH POLAR ICE BY MEANS OF ICEBREAKING TUGS WITH A SPECIAL STERN NOTCH SUITED TO RECEIVE AND HOLD THE BOW OF THE VESSEL TO BE TOWED defines ______.
A.Towing operations
B.Rigid coupled towing
C.Close coupled towing
D.Hard coupled towing
第6题：
A vessel sailing shall keep out of the way of all of the following vessels except a vessel ______.
A.not under command
B.engaged on pilotage duty
C.restricted in her ability to maneuver
D.engaged in fishing
第7题：
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
第8题：
Rule 14 describes the action to be taken by vessels meeting head-on. Which of the following conditions must exist in order for this rule to apply?______.
A.Both vessels must be power-driven.
B.They must be meeting on reciprocal or nearly reciprocal courses.
C.The situation must involve risk of collision.
D.All of the above
第9题：
In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel ______.
A.not under command
B.retricted in her ability to maneuver
C.engaged in towing
D.Fishing
第10题：
Three vessels meeting so as to cross each other's course
A vessel meeting a vessel that is backing out of a slip
An overtaking situation that has reached in extremis
A vessel fishing with nets meeting a sailing vessel