A.on
B.at
C.in
D.to
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A.for
B.by
C.at
D.to
A.Oxygen deficient spaces
B.Compartments containing poisonous vapors
C.Fighting fires that produce heavy smoke
D.Underwater search
A.weigh down the anchor
B.lubricate the anchor
C.repel dangerous fish
D.smooth the sea
A.soaking
B.settling
C.sinking
D.bedding in
A.datum
B.estimated position
C.search point
D.initial point
最新試題
Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold?（）
The key to rescuing a man overboard is（）.
The purpose of storm oil in a sea anchor is to（）.
The Coordinator Surface Search (CSS) in a SAR situation should display by night（）.
One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.
The ship is bound（）Japan.
The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）
When carrying out a parallel track search pattern，the course of the search units should normally be which of the following?（）
The self-contained breathing device should not be used in which situation?（）
Physical exertion on the part of a person who has fallen into cold water would（）.