A.heavy
B.easily damaged
C.affected by temperature
D.costly relative to the strength ratio
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A.stopper
B.screen
C.filter
D.restrictor
A.rising warm air
B.proximity to a low pressure area
C.inward spiraling circulation
D.clear dry weather
A.Has there been
B.Have there been
C.Has there
D.Have there
A.From
B.By
C.on
D.With
A.Have
B.Has
C.Is there
D.Are there
最新試題
A fire pump may be used for other purposes if（）.
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
Cargo transfer operations on a tank vessel need NOT be stopped when（）.
A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound（）.
A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.
Permanent magnetism is caused by（）.
After sending a message describing the symptoms of an ill crew member，you receive a message containing the code MRL. This means（）.
An obstruction on a helodeck is any object that might present a hazard to the（）.
Entries should be made in a Ro-Ro vessel’s cargo-securing device record book for（）.
A safe fuel system must（）.