A.What do
B.What you say
C.What you said
D.What did you say
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A.Having ignored him
B.To have been ignored
C.To be ignored
D.Having been ignored
A.on
B.in
C.for
D.at
最新試題
Fire dampers prevent the spread of fire by（）.
During the month of October the Sun’s declination is（）.
Fire may be spread by which means?（）
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Fire protection regulations apply to those towing vessels（）.
Each EPIRB required on a ship shall be stowed in a manner which will permit（）.
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）
Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every（）.
Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT（）.