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【多选题】
关于甘肃安定地区马铃薯运输的案例,说法正确的是?
A.
安定地区马铃薯选择公路运输工具，因为它具有运量较大、运费较低的优点
B.
安定地区马铃薯随着产量的增加，附近市场趋于饱和，因此必须扩大市场范围。
C.
政府与铁路部门沟通，增加安定地区马铃薯铁路运输的运力，这一举措让该地区马铃薯获得了较大的价格优势
D.
从安定区到上海的公路运输成本为0.45元/公斤，如果能通过铁路运输，运输成本会减少一半。
E.
增加安定地区马铃薯铁路运输的运力，使该地区马铃薯市场范围迅速扩大到一些沿海大中城市。
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【单选题】Use the following general linear demand relation to answer the following questions: where M is income and Pr is the price of a related good, R . If M = $15,000 and Pr = $20 and the supply function is ...
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P = $55 and Q = 195.
B.
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D.
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【单选题】M(r, s, t) denotes the average (arithmetic mean) of r, s, and t, and M (x, y) denotes the average of x and y. Column A Column B M (70, 80, 90) M (x, 90) where x = M (70, 80)
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相关题目：
【单选题】Consider the demand curve Q d = 50 − 2 P + 3r . If the value of r falls, the demand curve will:
A.
shift to the right.
B.
shift to the left.
C.
remain unchanged.
D.
rotate along the quantity axis.
查看完整题目与答案
【单选题】The following data relates to questions 13 and 14. The wholesale price index is made up from the prices of three items. More information is as follows.Item Quantity Price per unit Quantity Price per u...
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117.2
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126.8
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120.4
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A.
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B.
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C.
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D.
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【单选题】Use the following general linear demand relation to answer the following questions: where M is income and Pr is the price of a related good, R . If M = $15,000 and Pr = $20 and the supply function is ...
A.
P = $55 and Q = 195.
B.
P = $6 and Q = 38.
C.
P = $12 and Q = 200.
D.
P = $50 and Q = 170.
查看完整题目与答案
【单选题】M(r, s, t) denotes the average (arithmetic mean) of r, s, and t, and M (x, y) denotes the average of x and y. Column A Column B M (70, 80, 90) M (x, 90) where x = M (70, 80)
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
查看完整题目与答案
【多选题】滑动螺旋传动的主要失效形式是()。
A.
螺杆的变形
B.
螺纹的磨损
C.
螺纹牙断裂
D.
胶合
查看完整题目与答案
【简答题】尿路刺激征的护理措施有哪些?
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【单选题】下列程序段执行后，内存变量s1的值是(　　)。s1＝"network"s1＝stuff(s1,4,4，"BIOS")？S1
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B.
netBIOS
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net
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【简答题】滑动螺旋传动的主要失效形式是 .
查看完整题目与答案