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【多选题】
铁路运输安全工作特点有( )A.
铁路是一架大联动机，安全工作影响面广
B.
铁路运输生产过程复杂，安全工作贯穿始终
C.
铁路运输不间断进行，安全生产受外界环境的影响大
D.
铁路点多、线长，安全工作受社会环境影响大
E.
铁路运输安全具有高风险性和系统性的特点
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举一反三
【单选题】The case history of the twins appears to support the conclusion that_______.
A.
individuals with identical brains seldom test at the same level
B.
an individual's intelligence is determined only by his environment
C.
lack of opportunity blocks the growth of intelligence
D.
changes of environment produce changes in the structure of the brain
【简答题】热继电器中安秒特性曲线中t对于电动机而言表示()。
【单选题】The case history of the twins appears to support the conclusion that _______.
A.
individual with identical brains seldom test at same level
B.
an individual's intelligence is determined only by his enviroment
C.
lack of opportunity blocks the growth of intelligence
D.
changes of enviroment produce changes in the structure of the brain
【单选题】The case history of tile twirls appears to support the conclusion that
A.
individual with identical brains seldom test at the same level.
B.
an individual's intelligence is determined only by his environment.
C.
lack of opportunity blocks the growth of intelligence.
D.
changes of environment produce changes in the structure of the brain.
【简答题】数据预处理练习
【单选题】The case history of the twins appears to support the conclusion that （）.
A.
individual with identical brains seldom test at same level
B.
an individual"s intelligence is determined only by his environment
C.
lack of opportunity blocks the growth of intelligence
D.
changes of environment produce changes in the structure of the brain
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