no matter where they are and what time it is
at scheduled time and in major ocean regions
at fixed time and position
when they get permission
第1题：
As these features are not all charted，special caution should be exercised ______ vessels navigating in the vicinity．
A.by
B.with
C.on
D.in
第2题：
Automatic identification systems（AIS）are required to ______．
A.provide safety-related information automatically to shore stations，other vessels and aircraft
B.receive safety-related information automatically from similarly equipped vessels
C.exchange safety-related information with shore-based facilities
D.All of the above
第3题：
Jack often complains____able to communicate with his parents.
A: of being not
B: of not being
C: being not
D: not being
第4题：
much than
more than
many than
lot than
第5题：
The rubbish should be collected on the poop deck and （）(处理) 25 miles off the shore.
第6题：
The number of able seamen required on board is stated in the ______.
A.American Bureau of Shipping code
B.Solas Certificate
C.Classification Certificate
D.Certificate of Inspection
第7题：
It should be noted ______ the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers, or any vessels carring inflammable substances.
A.that
B.which
C.who
D.These
第8题：
On which vessels is GMDSS required?______.
A.All vessels capable of international voyages
B.Vessels operating outside of the range of VHF coastal radio stations
C.SOLAS Convention ships of 300 gross tonnage or more
D.Coastal vessels of less than 300 gross tons
第9题：
Which of the following options applies to virtual Ethernet devices（）
第10题：
one blast，4 to 6 seconds in duration
three blasts，4 to 6 seconds in duration
one continuous blast until you are able to see around the bend
one blast，8 to 10 seconds in duration