【判断题】【消耗次数：1】
干粉灭火器综合四氯化碳、二氧化碳和泡沫灭火器长处，适用于扑救电气火灾，灭火速度快。
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相关题目
【单选题】
泡沫灭火器是常用的灭火器，它适用于( )。
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适用于扑灭木材、棉麻等固体物质类火灾
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适用于扑灭石油等液体类火灾
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适用于扑灭木材、棉麻等固体物质类和石油等液体类火灾
④
适用于扑灭所有物质类火灾
【单选题】
泡沫灭火器是常用的灭火器，它适用于（ ）。
①
适用于扑灭石油等液体类火灾
②
适用于扑灭木材、棉麻等固体物质类和石油等液体类火灾
③
适用于扑灭木材、棉麻等固体物质类火灾
④
适用于扑灭所有物质类火灾
【判断题】
二氧化碳灭火器是利用其内部充装的液态二氧化碳的蒸气压将二氧化碳喷出灭火的一种灭火器具，其通过降低氧气含量，造成燃烧区窒息而灭火，一般能造成燃烧中止的氧气含量应低于12%。
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正确
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随机题目
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Single quotation marks are used ot enclose a quotation within a quotation.
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Mr. Peterson [] later to be nominated for Chairperson of the Small Enterprise Committee— had been charged with bribery.
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semicolon
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He wrote a lot of novels, many of [] translated into English.
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it
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them
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which
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that
【单选题】
He wrote a lot of novels, many of [] were translated into English.
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it
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them
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which
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that
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I had to complete the assignment by Friday [] otherwise, I would have failed the course.
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The grass was growing wildly [] but the crop, unfortunately, was dying.
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Oil []which is lighter than water, rises to the surface.
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The house was clean, the table set, and the porch light on [] everything was ready.
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semicolon