A.at
B.for
C.in
D.on
您可能感興趣的試卷
你可能感興趣的試題
A.on
B.by
C.in
D.for
A.stop down
B.speed down
C.slow down
D.down slow
A.SOS，ZZZ，XXX
B.SOS，UUU，SSS
C.SOS，XXX，TTT
D.SOS，TTT，UUU
A.final topping off is occurring
B.first starting to receive fuel
C.hoses are being blown down
D.hoses are disconnected and being capped
A.at all times
B.during evening hours
C.unless another person is present
D.during drilling operations
最新試題
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
Which spoken emergency signal would you use to call a boat to come assist a man overboard?（）
The winch is liable（）worn-out in this way.
Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.
The ship is now down（）head.
The term PROLONGED BLAST refers to（）.
I would be very much（）if you could arrange for a radio technician to come on board as soon as possible for my radar repair.
In battery charging rooms，ventilation should be provided（）.
Geographic range is the maximum distance at which a light may be seen under（）.