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【单选题】
星空服装厂利用三种专用设备分别生产衬衣、短袖衫和休闲服，已知上述三种产品的每件用工量、用料量、销售价格及可变费用如表所示。产品名称单件用工单件用料销售价格可变费用衬衣3412060短袖衫238040休闲服6618080已知该厂每可用工量为150单位，可用料量为160单位，生产衬衣、短袖衫和休闲服专用设备的每固定费用分别为2000,1500和1000单位。要求为该厂设计一个生产计划，使其获利最大，建立模型。该模型包含几个变量，几个约束（非负约束和0，1约束除外）。
A.
6 个变量， 6 个约束
B.
3 个变量， 3 个约束
C.
6 个变量， 3 个约束
D.
3 个变量， 6 个约束
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参考答案：
举一反三
【单选题】Find the sentence that is closest in meaning to the one given for each question. These activities will help students improve their reading and understanding skills. Due to the fact that the demand for...
A.
It was not until the 19th century that the demand for tea started to increase.
B.
The demand for tea was so high in the 19th century that its price was enormous.
C.
In the 19th century the price for tea didn't increase despite the demand.
D.
It was its astronomical price which decreased the demand for tea in the 19th century.
E.
In the 19th century, even though the demand for tea was enormous its price remained cheap.
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【多选题】如下哪些语句有错? public class Demo{ static final int MAX=0; //A public static void main(String[ ] args){ int j; //B System.out.println(MAX ); //C System.out.println( j ); //D MAX =100; //E j=100; ...
A.
见题目A
B.
见题目B
C.
见题目C
D.
见题目D
E.
见题目E
F.
见题目F
G.
见题目G
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【单选题】Assume that the demand for diamonds is more elastic than the demand for gasoline. Compared to the decline in purchases from a similar percentage tax on gasoline, we would expect that a tax on diamonds...
A.
more.
B.
less.
C.
the same.
D.
neither more or less.
查看完整题目与答案
【单选题】testing is the process of verifying that the components of a system work together as described in the program design and system design specifications.
A.
Function
B.
Integration
C.
Unit
D.
performance
查看完整题目与答案
【多选题】在内联函数体中不能含有如下哪些语句 ( ) 。
A.
switch 语句
B.
while 语句
C.
赋值语句
D.
其它都是
查看完整题目与答案
【单选题】一般来说,除关系特别密切的以外,眼神视线交流的长度为( )
A.
1 秒以下
B.
1 — 2 秒
C.
5 秒以上
D.
频繁转移视线
查看完整题目与答案
【多选题】章节开放设置包括:
A.
全部开放
B.
全部关闭
C.
全部闯关模式
查看完整题目与答案
【单选题】______ that the demand for power continues to rise at the current rate, it will not be long before traditional sources become inadequate.
A.
Concerning
B.
Regarding
C.
Ascertaining
D.
Assuming
查看完整题目与答案
【简答题】________ that the demand for power continues to rise at the current rate, it will not be long before traditional sources become inadequate. A) Concerning B) Ascertaining C) Assuming D) Regarding
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【单选题】"A number of mass transit systems have been experiencing declining revenues despite fare increases." Assuming that the demand for mass transit has not changed (i.e., that the demand curve has not shif...
A.
the demand for mass transit is elastic with respect to price.
B.
the demand for transit is inelastic with respect to price.
C.
mass transit is an inferior good.
D.
revenues would have risen only if fares had been increased by a larger amount.
查看完整题目与答案
相关题目：
【单选题】Find the sentence that is closest in meaning to the one given for each question. These activities will help students improve their reading and understanding skills. Due to the fact that the demand for...
A.
It was not until the 19th century that the demand for tea started to increase.
B.
The demand for tea was so high in the 19th century that its price was enormous.
C.
In the 19th century the price for tea didn't increase despite the demand.
D.
It was its astronomical price which decreased the demand for tea in the 19th century.
E.
In the 19th century, even though the demand for tea was enormous its price remained cheap.
查看完整题目与答案
【多选题】如下哪些语句有错? public class Demo{ static final int MAX=0; //A public static void main(String[ ] args){ int j; //B System.out.println(MAX ); //C System.out.println( j ); //D MAX =100; //E j=100; ...
A.
见题目A
B.
见题目B
C.
见题目C
D.
见题目D
E.
见题目E
F.
见题目F
G.
见题目G
查看完整题目与答案
【单选题】Assume that the demand for diamonds is more elastic than the demand for gasoline. Compared to the decline in purchases from a similar percentage tax on gasoline, we would expect that a tax on diamonds...
A.
more.
B.
less.
C.
the same.
D.
neither more or less.
查看完整题目与答案
【单选题】testing is the process of verifying that the components of a system work together as described in the program design and system design specifications.
A.
Function
B.
Integration
C.
Unit
D.
performance
查看完整题目与答案
【多选题】在内联函数体中不能含有如下哪些语句 ( ) 。
A.
switch 语句
B.
while 语句
C.
赋值语句
D.
其它都是
查看完整题目与答案
【单选题】一般来说,除关系特别密切的以外,眼神视线交流的长度为( )
A.
1 秒以下
B.
1 — 2 秒
C.
5 秒以上
D.
频繁转移视线
查看完整题目与答案
【多选题】章节开放设置包括:
A.
全部开放
B.
全部关闭
C.
全部闯关模式
查看完整题目与答案
【单选题】______ that the demand for power continues to rise at the current rate, it will not be long before traditional sources become inadequate.
A.
Concerning
B.
Regarding
C.
Ascertaining
D.
Assuming
查看完整题目与答案
【简答题】________ that the demand for power continues to rise at the current rate, it will not be long before traditional sources become inadequate. A) Concerning B) Ascertaining C) Assuming D) Regarding
查看完整题目与答案
【单选题】"A number of mass transit systems have been experiencing declining revenues despite fare increases." Assuming that the demand for mass transit has not changed (i.e., that the demand curve has not shif...
A.
the demand for mass transit is elastic with respect to price.
B.
the demand for transit is inelastic with respect to price.
C.
mass transit is an inferior good.
D.
revenues would have risen only if fares had been increased by a larger amount.
查看完整题目与答案
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