單項選擇題

As an extinguishing agent，foam（）.

A.conducts 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 below ignition temperature

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單項選擇題

Any ship damaging a pipe could（）an immediate danger of fire.

A.meet
B.face
C.be in font of
D.follow

單項選擇題

Any firefighting equipment that is carried in addition to the minimum required must（）.

A.meet the applicable standards
B.be marked as additional equipment
C.be stowed in a separate area
D.All of the above

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As an extinguishing agent，foam（）.

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Any ship damaging a pipe could（）an immediate danger of fire.

Any firefighting equipment that is carried in addition to the minimum required must（）.

As an extinguishing agent，foam（）.