A.danger
B.dangerous
C.dangerously
D.dangering
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A.meet
B.face
C.be in front of
D.follow
A.breaking the weak link
B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO2 canister
A.couducts electricity
B.should be directed at the base of the fire
C.is most effective on burning gases which are flowing
D.extinguishes by cooling oil fires blow ignition temperature
A.Cleaner
B.Effective
C.Greater range
D.More cooling effect
A.a not knowing
B.an unknowing
C.an unknown
D.a not known
最新試題
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
In the Northern hemisphere northerly winds may cause temperature（）.
When steering by autopilot,how often should the steering be checked?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
The helm command PORT TWENTY means（）.
A tide is called diurnal when（）.
Full details of all lights and fog signals are shown on（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.