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【单选题】
用人单位未提供职业病防护设施和个人使用的职业病防护用品,或者提供的职业病防护设施和个人使用的职业病防护用品不符合国家职业卫生标准和卫生要求的,卫生行政部门除给予警告,责令限期改正,逾期不改正的,处___20万元以下的罚款。
A. 10万元以上
B. 8万元以上
C. 5万元以上
D. 2万元以上
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【单选题】
化学爆炸的实质是高速度___。
A. 气体膨胀
B. 温度升高
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火灾等级划分为___。
A. 二类
B. 三类
C. 四类
D. 五类
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动火区域划分为___。
A. 1
B. 2
C. 3
D. 4
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贮存易燃可燃气体的火灾危险性分为___类。
A. 甲
B. 甲、乙
C. 甲、乙、丙
D. 甲、乙、丙、丁
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易燃物品露天仓库四周内应有不小于___m的平坦空地作为消防通道。
A. 2
B. 4
C. 6
D. 8
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易燃仓库堆料场应分堆垛和分组设置,木材(板材)每个堆垛面积不得大于___㎡。
A. 2
B. 200
C. 300
D. 400
【单选题】
按照贮存物品的火灾危险性分类,可燃物体属于___。
A. 甲
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【单选题】
堆料场内确实需要架设用电线路、架空线路与露天易燃物堆垛的最小水平距离,不应小于电线杆高度的___m。
A. 1
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【单选题】
建筑物件中三级耐火等级中的___为燃烧体。
A. 墙
B. 柱
C. 楼板
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楼板的耐火极限,三级为___)h。
A. 0.5
B. 1
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按照贮存物品的火灾危险性分类,助燃气体属于___。
A. 甲
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按照贮存物品的火灾危险性分类,不燃烧物品属于___。
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【单选题】
施工现场的木工作业区,属于___动火区域。
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【单选题】
施工现场动火证由___部门审批。
A. 公司安全科
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30m以上的高层建筑施工,应当设置加压水泵和消防水源管道,管道的立管直径不小于___mm。
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生石灰与___发生化学反应产生大量热,足以引燃燃点较低的材料。
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建筑工程广泛使用___作为混凝土的早强剂。
A. 亚硝酸钠
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下列车辆中,___不准进入易燃物品仓库或堆料场装卸作业。
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易燃易爆物品仓库的大门应当向___开启。
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易燃、可燃堆垛场及仓库距离在建的建筑物和其他区域不小于___m。
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易燃的废品集中场地距离在建的建筑物和其他区域不小于___m。
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施工现场必须设立消防车通道,通道宽度不小于___m。
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临时生活设施尽可能搭建在距离修建的建筑物___m以外的地方。
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临时宿舍的简易楼层高应控制在___以内。
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易燃仓库内严禁使用___照明灯具。
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Of the following, is NOT the responsibility of the board of trustees in U. S. institutions.
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Of the following subjects, are NOT offered to elementary school students.
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Formal education in the United States consists of , secondary and higher education.
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At present, U. S. exports account for of the world’s total.
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is not one of the three giants in American automobile industry.
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The following statements are all true except .
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【单选题】
About of American crops are for export.
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【单选题】
President Johnson tried to build a “Great Society” by introducing various programs like the following except .
A. A. Medicare
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【单选题】
The following inventions took place during the “second indThe following inventions took place during the “second industrial revolution” except .
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【单选题】
The first National Bank of the United States was established with the urge of .
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【单选题】
Chartered companies were NOT granted the by the British King or Queen.
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【单选题】
The modern American economy progressed from to , and eventually, to .
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America produces a major portion of the world’s products in the following fields except .
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The President is directly voted into office by .
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【单选题】
The Supreme Court is composed of justices.
A. A. six
B. B. seven
C. C. eight
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