A.was able to
B.could
C.had to
D.would
第1题
The fire had______when the firemen hurried there.
A.gone out
B.gone over
C.gone on
D.gone through
第2题
The fire spread very quickly because lots of ______ had been burned.
A.oil
B.paint
C.paper
D.paper, oil and paint
第3题
A fire may be spread by which of the following means?
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
第4题
The fire spread through the hotel very quickly but everyone ______ get out in time.
A.had to
B.would
C.could
D.was able to
第5题
第6题
She sat by the fire and felt the__________ (warm)spread through her body.
第7题
To prevent the spread of fire by conduction, you should ______.
A.cool the bulkheads around the fire
B.remove combustibles from direct exposure
C.close all openings to the area
D.shut off all electric power
第8题
A.flashes
B.burns
C.lights
D.sparks
第9题
Radiation can spread a fire by _____.
A.transmitting the heat of a fire through the ship s metal
B.burning liquids flowing into another space
C.heated gases flowing through ventilation systems
D.the transfer of heat across an unobstructed space
第10题
A、was
B、were able to
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