题目内容

Aclass"C"firewouldmostlikelyoccurinthe（）.

A. engineroombilges
B. mainswitchboard
C. paintlocker
D. ragbin

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Aclass"C"fireisburning（）.

A. dieseloil
B. magnesium
C. dunnage
D. electricalinsulation

Exceptinrarecases,itisimpossibletoextinguishashipboardfireby（）.

A. removingtheheat
B. removingtheoxygen
C. removingthefuel
D. interruptingthechainreaction

Whichofthelistedmaterialswouldbeconsideredasabuntingclass"C"fire?（）

A. Fueloil
B. Wood
Celluloid
D. Electricalinsulation

与酸雨形成无关的因素是：（）

A. NO
B. SO
C. KHPO
D. SO