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《铁路路风管理办法》规定：路风问题责任者构成路风不良反映的，给予决策者或直接责任者（），情节轻微的，可免予处分。
A.
批评教育
B.
经济处罚
C.
警告至记过处分
D.
记大过处分
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【简答题】Klingon Widgets, Inc., purchased new cloaking machinery three years ago for $5 million. The machinery can be sold to the Romulans today for $4 million. Klingon’s current balance sheet shows net fixed ...
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【简答题】4-1 平面弯曲的特点是什么?
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【单选题】In January the price of widgets was $1.00, and Wendy's Widgets produced 80 widgets. In February the price of widgets was $1.50, and Wendy's Widgets produced 110 widgets. In March the price of widgets ...
A.
0.79 when the price increased from $1.00 to $1.50 and 0.84 when the price increased from $1.50 to $2.00.
B.
1.27 when the price increased from $1.00 to $1.50 and 1.19 when the price increased from $1.50 to $2.00.
C.
0.79 when the price increased from $1.00 to $1.50 and 1.19 when the price increased from $1.50 to $2.00.
D.
1.27 when the price increased from $1.00 to $1.50 and 0.84 when the price increased from $1.50 to $2.00.
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【判断题】力的作用线通过矩心时，力对点的矩为零。 ( )
A.
正确
B.
错误
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【单选题】Suppose that the equilibrium price in the market for widgets is $5. If a law increased the minimum legal price for widgets to $6, producer surplus
A.
would necessarily increase even if the higher price resulted in a surplus of widgets.
B.
would necessarily decrease because the higher price would create a surplus of widgets.
C.
might increase or decrease.
D.
would be unaffected.
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【判断题】平面弯曲的特点是：梁上的载荷及支座反力位于纵向对称平面并垂直于梁的轴线，梁的轴线在此平面内弯成一条曲线
A.
正确
B.
错误
查看完整题目与答案
【判断题】若力的作用线通过矩心，则力矩为零。()
A.
正确
B.
错误
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【单选题】平面弯曲的特点是
A.
梁轴线的变形曲线与载荷作用面共面
B.
梁轴线的变形曲线是一条平面曲线
C.
梁轴线的变形曲线与变形前的轴线共面
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【多选题】下列选项中哪些是平面弯曲的特点
A.
具有纵向对称面的梁
B.
梁的外力均垂直于梁的轴线，并作用在纵向对称面内
C.
梁的轴线弯成纵向对称面内的一条平面曲线
D.
梁的外力必须是集中力
查看完整题目与答案
【判断题】力的作用线通过矩心,力矩为零
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【简答题】Klingon Widgets, Inc., purchased new cloaking machinery three years ago for $5 million. The machinery can be sold to the Romulans today for $4 million. Klingon’s current balance sheet shows net fixed ...
查看完整题目与答案
【简答题】4-1 平面弯曲的特点是什么?
查看完整题目与答案
【单选题】In January the price of widgets was $1.00, and Wendy's Widgets produced 80 widgets. In February the price of widgets was $1.50, and Wendy's Widgets produced 110 widgets. In March the price of widgets ...
A.
0.79 when the price increased from $1.00 to $1.50 and 0.84 when the price increased from $1.50 to $2.00.
B.
1.27 when the price increased from $1.00 to $1.50 and 1.19 when the price increased from $1.50 to $2.00.
C.
0.79 when the price increased from $1.00 to $1.50 and 1.19 when the price increased from $1.50 to $2.00.
D.
1.27 when the price increased from $1.00 to $1.50 and 0.84 when the price increased from $1.50 to $2.00.
查看完整题目与答案
【判断题】力的作用线通过矩心时，力对点的矩为零。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Suppose that the equilibrium price in the market for widgets is $5. If a law increased the minimum legal price for widgets to $6, producer surplus
A.
would necessarily increase even if the higher price resulted in a surplus of widgets.
B.
would necessarily decrease because the higher price would create a surplus of widgets.
C.
might increase or decrease.
D.
would be unaffected.
查看完整题目与答案
【判断题】平面弯曲的特点是：梁上的载荷及支座反力位于纵向对称平面并垂直于梁的轴线，梁的轴线在此平面内弯成一条曲线
A.
正确
B.
错误
查看完整题目与答案
【判断题】若力的作用线通过矩心，则力矩为零。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】平面弯曲的特点是
A.
梁轴线的变形曲线与载荷作用面共面
B.
梁轴线的变形曲线是一条平面曲线
C.
梁轴线的变形曲线与变形前的轴线共面
查看完整题目与答案
【多选题】下列选项中哪些是平面弯曲的特点
A.
具有纵向对称面的梁
B.
梁的外力均垂直于梁的轴线，并作用在纵向对称面内
C.
梁的轴线弯成纵向对称面内的一条平面曲线
D.
梁的外力必须是集中力
查看完整题目与答案
【判断题】力的作用线通过矩心,力矩为零
A.
正确
B.
错误
查看完整题目与答案