【单选题】
There is no greater importance ___ cultivating independence in children.
A. in
B. than
C. of
D. with
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答案
B
解析
暂无解析
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___ they have written about the behaviors of animals is hardly anything new.
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The teacher should praise students for their correct answers and also suggest ___ possibilities.
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Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
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___ so many people around, it wasn’t convenient to have a long talk with him.
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Alice used to be terribly shy, but working abroad for a year has completely ___ her.
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The adoption of this measure will greatly reduce the ___ of greenhouse gas emissions (排放物), which may help slow global warming.
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In a way the human race needs to improve its mental and physical qualities if it is to deal with the more and more ___ world and meet new challenges.
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A. ceases
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Jeffery expressed his ___ about the health and fitness of his co-workers, but they said they didn’t want to “waste time” on an exercise bike or jogging.
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A. risking
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高层建筑室内消火栓给水系统由___等组成。（多选）
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建筑物倒塌事故处置中，救生排险的主要措施有___。（难）
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建筑物倒塌事故处置中，救生排险的主要措施有___。
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B. 立即疏散建筑结构受到影响，有可能倒塌的建筑物内人员
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E. 使用开花或喷雾水枪扑灭事故次生火灾
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B. 救援人员要加强行动安全，不应进入建筑结构已经明显松动的建筑物内部；不得登上已受力不均衡的阳台、楼板、屋顶等部位；不准冒险进入非稳固支撑的建筑废墟下面。
C. 加强现场监护工作，严防倒塌事故再次发生。
D. 严禁站在建筑废墟上从上至下进行施救，防止被埋压人员受到二次挤压伤害。
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有些固体可燃物的蒸气压非常小或者难于发生热分解，不能发生蒸发燃烧或分解燃烧，当氧气包围物质的表层时，呈炽热状态发生无火焰燃烧，称为___。（难）
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【单选题】
通过烟的___等特征，消防人员可以大致判断燃烧物质的种类、火灾阶段、火势蔓延方向等。（中）
A. 温度、浓度
B. 颜色变化
C. 扩散范围
D. 气味、颜色、浓度、流动方向
