阿摩線上測驗
11. In a carbon dioxide extinguisher, the carbon dioxide is kept in the form of pressurized
________.
(A) gas
(B) liquid
(C) solid
(D) solid-liquid
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統計： A(250), B(591), C(119), D(143), E(0) #2860334
統計： A(250), B(591), C(119), D(143), E(0) #2860334
