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听力原文：W: Could you help me, Sir? My flight got in 15 minutes ago. Everyone else has picked up their luggage, but mine hash' t come through. M: I' m sorry, Madame. I'will go and find out if there is any more to come. Q: What's the woman's problem? (18)
A.
Someone has taken away her luggage.
B.
Her flight is 50 minutes late.
C.
Her luggage has been delayed.
D.
She can't find the man she's been waiting for.
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【简答题】电阻值为R的一段导线，将它从中间对折，合成一段新导线，接到电压为20v的电源两端，其阻值为（），若将电源电压升为40v，其阻为（）。
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【简答题】minimum efficient scale
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【单选题】一般圆网的金属材质是（）
A.
铜
B.
铁
C.
镍
D.
铬
查看完整题目与答案
【单选题】What is the minimum efficient scale (MES) of production?
A.
The point on an average cost curve where the cost per unit begins to decline more rapidly
B.
The minimum point on a U-shaped average cost curve
C.
The minimum level of production at a plant for it to be considered profitable
D.
The level of production for a small sized plant
查看完整题目与答案
【多选题】右踏板的基本使用方式有哪些?
A.
节奏性踏板法（同音踏板法）
B.
切分踏板法（音后踏板法）
C.
半踏板法（不踩到底，只踩一半）
D.
颤动踏板法（抖动踏板法）
查看完整题目与答案
【判断题】递归算法在逻辑上是一个问题化为同样的问题
A.
正确
B.
错误
查看完整题目与答案
【单选题】Identify an advantage of adopting a low minimum efficient scale.
A.
It helps companies reduce the level of initial capital required for business.
B.
It allows the firm to accommodate demands for local responsiveness.
C.
It allows firms discount political risks and other global capital risks.
D.
A minimum efficient scale of a plant allows decentralization of production.
查看完整题目与答案
【简答题】电阻值为R的一段导线,将它从中间对折,合并成一段新导线,接到电压为20V的电源两端,其阻值为 ,若将电源电压升为40V,其电阻值为 。
查看完整题目与答案
【单选题】电阻值为R的一段导线,将它从中间对折,合并成一段新导线,接到电压为20V的电源两端,其阻值为 ,若将电源电压升为40V,其电阻值为 。
A.
0.25R;0.25R
B.
0.25R;0.5R
C.
R;R
D.
2R;R
查看完整题目与答案
【单选题】Minimum efficient scale is the output level at which ( ).
A.
long-run average costs are minimized
B.
long-run average costs are maximized
C.
short-run average costs are minimized
D.
short-run average costs are maximized
查看完整题目与答案
相关题目：
【简答题】电阻值为R的一段导线，将它从中间对折，合成一段新导线，接到电压为20v的电源两端，其阻值为（），若将电源电压升为40v，其阻为（）。
查看完整题目与答案
【简答题】minimum efficient scale
查看完整题目与答案
【单选题】一般圆网的金属材质是（）
A.
铜
B.
铁
C.
镍
D.
铬
查看完整题目与答案
【单选题】What is the minimum efficient scale (MES) of production?
A.
The point on an average cost curve where the cost per unit begins to decline more rapidly
B.
The minimum point on a U-shaped average cost curve
C.
The minimum level of production at a plant for it to be considered profitable
D.
The level of production for a small sized plant
查看完整题目与答案
【多选题】右踏板的基本使用方式有哪些?
A.
节奏性踏板法（同音踏板法）
B.
切分踏板法（音后踏板法）
C.
半踏板法（不踩到底，只踩一半）
D.
颤动踏板法（抖动踏板法）
查看完整题目与答案
【判断题】递归算法在逻辑上是一个问题化为同样的问题
A.
正确
B.
错误
查看完整题目与答案
【单选题】Identify an advantage of adopting a low minimum efficient scale.
A.
It helps companies reduce the level of initial capital required for business.
B.
It allows the firm to accommodate demands for local responsiveness.
C.
It allows firms discount political risks and other global capital risks.
D.
A minimum efficient scale of a plant allows decentralization of production.
查看完整题目与答案
【简答题】电阻值为R的一段导线,将它从中间对折,合并成一段新导线,接到电压为20V的电源两端,其阻值为 ,若将电源电压升为40V,其电阻值为 。
查看完整题目与答案
【单选题】电阻值为R的一段导线,将它从中间对折,合并成一段新导线,接到电压为20V的电源两端,其阻值为 ,若将电源电压升为40V,其电阻值为 。
A.
0.25R;0.25R
B.
0.25R;0.5R
C.
R;R
D.
2R;R
查看完整题目与答案
【单选题】Minimum efficient scale is the output level at which ( ).
A.
long-run average costs are minimized
B.
long-run average costs are maximized
C.
short-run average costs are minimized
D.
short-run average costs are maximized
查看完整题目与答案