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
When carrying out a parallel track search pattern，the course of the search units should normally be which of the following?（）
The ship’s bearing is 145°（）the Lighthouse.
The term MODERATE SPEED was previously interpreted as meaning a speed which would enable a vessel（）within half the range of visibility.
The purpose of storm oil in a sea anchor is to（）.
The most probable position of the object of a search at any given time is the（）.
Physical exertion on the part of a person who has fallen into cold water would（）.
One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.
A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）
Which is NOT a symptom of traumatic shock?（）
The survival craft’s engine is fueled with（）.