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【单选题】
对称三相负载为星形联结，当线电压为380V时，相电压等于（ ）；若改接为三角形联接，线电压为380V时，相电压等于（ ）
A.
220；220
B.
220；380
C.
380；380
D.
380；220
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【单选题】Deng Corporation has budgeted sales of 18,000 units, target ending finished goods inventory of 3,000 units, and beginning finished goods inventory of 900 units. How many units should be produced next ...
A.
21,900 units
B.
15,900 units
C.
20,100 units
D.
18,000 units
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【单选题】Suppose that 2 units of X and 8 units of Y give a consumer the same satisfaction as 4 units of X and 2 units of Y . Then
A.
the consumer is willing to give up 3 units of Y to obtain 1 more unit of X.
B.
the consumer is willing to give up 1 unit of Y to obtain 3 more units of X
C.
the marginal rate of substitution of X for Y is 6
D.
all of the answers are right
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【简答题】我公司非常 关注 该项目的进展。
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【单选题】Suppose that a worker in Agland can produce either 10 units of organic grain or 2 units of incense per year, and a worker in Zenland can produce either 5 units of organic grain or 15 units of incense ...
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30 units of grain and 100 units of incense.
B.
30 units of grain and 150 units of incense.
C.
50 units of grain and 90 units of incense.
D.
50 units of grain and 130 units of incense.
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【多选题】若有说明语句 int a[10],*p=a; ，对数组元素的正确引用是( )。
A.
*(p+2)
B.
p[2]
C.
a[2]
D.
a[p]
E.
p[a]
F.
p+2
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【单选题】大型建筑场地的建筑方格网,下列仪器中( )使用更为快捷和准确。
A.
水准仪
B.
经纬仪
C.
全站仪
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【单选题】It is known that solar power can ______ electric energy.
A.
convert into
B.
convert to
C.
be converted into
D.
be converted to
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【单选题】Suppose that a worker in Freedonia can produce either 6 units of corn or 2 units of wheat per year, and a worker in Sylvania can produce either 2 units of corn or 6 units of wheat per year. Each natio...
A.
30 units of corn and 30 units of wheat.
B.
no corn and 30 units of wheat.
C.
60 units of corn and 30 units of wheat.
D.
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【简答题】A．educate B．cultivate C．inform D．convert
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【单选题】若有说明语句int a[10],*p=a; ,则与a[2] 的值不相等的是( )
A.
p[2]
B.
*(p+2)
C.
*(a+2)
D.
*p+2
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【单选题】Deng Corporation has budgeted sales of 18,000 units, target ending finished goods inventory of 3,000 units, and beginning finished goods inventory of 900 units. How many units should be produced next ...
A.
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【单选题】Suppose that 2 units of X and 8 units of Y give a consumer the same satisfaction as 4 units of X and 2 units of Y . Then
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B.
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【单选题】Suppose that a worker in Agland can produce either 10 units of organic grain or 2 units of incense per year, and a worker in Zenland can produce either 5 units of organic grain or 15 units of incense ...
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30 units of grain and 100 units of incense.
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【多选题】若有说明语句 int a[10],*p=a; ，对数组元素的正确引用是( )。
A.
*(p+2)
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【单选题】大型建筑场地的建筑方格网,下列仪器中( )使用更为快捷和准确。
A.
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全站仪
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【单选题】It is known that solar power can ______ electric energy.
A.
convert into
B.
convert to
C.
be converted into
D.
be converted to
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【单选题】Suppose that a worker in Freedonia can produce either 6 units of corn or 2 units of wheat per year, and a worker in Sylvania can produce either 2 units of corn or 6 units of wheat per year. Each natio...
A.
30 units of corn and 30 units of wheat.
B.
no corn and 30 units of wheat.
C.
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D.
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【简答题】A．educate B．cultivate C．inform D．convert
查看完整题目与答案
【单选题】若有说明语句int a[10],*p=a; ,则与a[2] 的值不相等的是( )
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