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【单选题】
某C25混凝土在30℃时时间为210min，若混凝土运输时间为60min，则混凝土浇筑和间歇的最长时间( )
A.
120min
B.
150min
C.
180min
D.
90min
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参考答案：
举一反三
【单选题】以账套主管的身份注册进入系统管理,可以进行( )操作
A.
查看上机日志
B.
设置账套主管
C.
设置备份计划
D.
建立账套
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【单选题】以账套主管的身份注册进入系统管理，可以进行（ ）操作。
A.
建立账套
B.
修改账套
C.
输出账套
D.
引入账套
查看完整题目与答案
【简答题】如何结合人的气质差异做好管理工作?
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【单选题】Responding to pressure for _____ requires that a firm differentiate its product offering and marketing strategy from country to country. 为了应对来自()的压力,公司必须使其产品供应和营销策略在各国有所不同。
A.
cost reductions降低成本
B.
experience effects经验效应
C.
lowering the costs of value creation降低创造价值的成本
D.
being locally responsive本地化响应
查看完整题目与答案
【单选题】为探测海洋中水的运动,科学家有时依靠水流通过地磁场所产生的动生电动势。假设某处地磁场的竖直分量是 T,两个电极沿垂直于水流方向相距200m插入被测的水流中,如果与电极相连的灵敏伏特计指示 V的电势差,则水流速度为
A.
0.20m/s
B.
0.30m/s
C.
0.40m/s
D.
0.50m/s
查看完整题目与答案
【简答题】1) Autumn has arrived here a hot summer with unexpected speed. 2) As a diplomat, he has witnessed the birth of the new nation and is well placed to its growth during this critical period of its histor...
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【简答题】我怎么才能到达城市图书馆?
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【简答题】1) Autumn has arrived here _____ a hot summer with unexpected speed. 2) As a diplomat, he has witnessed the birth of the new nation and is well placed to _____ its growth during this critical period o...
查看完整题目与答案
【单选题】She often_ milk for breakfast.
A.
have
B.
has
C.
had
查看完整题目与答案
【简答题】Part I (1-5) the background of the story: •The author is absorbed in ________; •The author was shocked by his student’s _________ to describe properly her trip to Europe; •Students should ____________...
查看完整题目与答案
相关题目：
【单选题】以账套主管的身份注册进入系统管理,可以进行( )操作
A.
查看上机日志
B.
设置账套主管
C.
设置备份计划
D.
建立账套
查看完整题目与答案
【单选题】以账套主管的身份注册进入系统管理，可以进行（ ）操作。
A.
建立账套
B.
修改账套
C.
输出账套
D.
引入账套
查看完整题目与答案
【简答题】如何结合人的气质差异做好管理工作?
查看完整题目与答案
【单选题】Responding to pressure for _____ requires that a firm differentiate its product offering and marketing strategy from country to country. 为了应对来自()的压力,公司必须使其产品供应和营销策略在各国有所不同。
A.
cost reductions降低成本
B.
experience effects经验效应
C.
lowering the costs of value creation降低创造价值的成本
D.
being locally responsive本地化响应
查看完整题目与答案
【单选题】为探测海洋中水的运动,科学家有时依靠水流通过地磁场所产生的动生电动势。假设某处地磁场的竖直分量是 T,两个电极沿垂直于水流方向相距200m插入被测的水流中,如果与电极相连的灵敏伏特计指示 V的电势差,则水流速度为
A.
0.20m/s
B.
0.30m/s
C.
0.40m/s
D.
0.50m/s
查看完整题目与答案
【简答题】1) Autumn has arrived here a hot summer with unexpected speed. 2) As a diplomat, he has witnessed the birth of the new nation and is well placed to its growth during this critical period of its histor...
查看完整题目与答案
【简答题】我怎么才能到达城市图书馆?
查看完整题目与答案
【简答题】1) Autumn has arrived here _____ a hot summer with unexpected speed. 2) As a diplomat, he has witnessed the birth of the new nation and is well placed to _____ its growth during this critical period o...
查看完整题目与答案
【单选题】She often_ milk for breakfast.
A.
have
B.
has
C.
had
查看完整题目与答案
【简答题】Part I (1-5) the background of the story: •The author is absorbed in ________; •The author was shocked by his student’s _________ to describe properly her trip to Europe; •Students should ____________...
查看完整题目与答案
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