A.cleanly/during
B.clear/meawhile
C.clean/between
D.clean/prior to
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A.boarding and operating procedures
B.maintenance schedule
C.navigational systems
D.fuel consumption rates
A.in spite of
B.irrespective
C.in respect
D.in matter of
A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
A.greater range
B.effective on all types of fires
C.cleanliness
D.All of the above
A.lack of toxicity
B.the multipurpose extinguishing ability
C.bum-back protection
D.cooling ability
最新試題
Which of the following is not a form of precipitation?（）
According to the relevant regulation, lifeboat should be powered by（）.
Bales close to the deckhead should be covered to prevent（）.
When the wave period and the apparent rolling period are the same（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
A tide is called diurnal when（）.
The dew point temperature is（）.
It is dangerous for vessels without the operational radar（）the estuary.
When steering by autopilot,how often should the steering be checked?（）