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【单选题】
关系R(A,B,C,D)中属性组集ABC可以唯一标识关系R中的每一个元组,且BC也可唯一标识R中的每一个元组。请问ABC是( ) 。
A.
主码
B.
候选码
C.
外码
D.
以上都不是
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【单选题】粗实线所用线型为?
A.
continuous
B.
dashed
C.
center
D.
phantom
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【单选题】粗实线所用线型为( )。
A.
continuous
B.
dashed
C.
center
D.
Phantom
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【多选题】Which are the roles of merchant banks?
A.
issuance
B.
underwriting
C.
restructuring
D.
M&A
E.
project financing
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【简答题】Long Conversation M: It’s good to have you back at work Emily. How was your trip to the Amazon rainforest? W: It was like______1______; I saw so many more things than I ever could have imagined. The p...
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【简答题】• 用“图层特性管理器”创建新图层并将点划线所在的层设置为当前层,图层设置要求见表 2-2 。 线型 颜色 线宽 点划线( CENTER ) 红色 默认 粗实线(默认) 蓝色 0.5 细实线(默认) 黑色 默认 虚线( HIDDENX2 ) 绿色 默认
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【多选题】管理者在组织中的层次地位划分为哪几种？
A.
高层管理者
B.
中层管理者
C.
基层管理者
D.
战略决策者
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【多选题】Which are the roles of finance functions?
A.
To provide information to managers for decision-making
B.
To ensure compliance with social and legal responsibilities
C.
To record and control what happens to money
D.
To improve products or processes.
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【多选题】Which of the following are the roles of news agencies?
A.
Collecting news.
B.
Writing news.
C.
Transmitting news.
D.
Selling news.
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【单选题】How could rainforest nations achieve sustainable development?
A.
By increasing their food output.
B.
By depending on their own economic activities.
C.
By developing partnership with other countries.
D.
By rewarding them financially for their efforts in protecting nature.
查看完整题目与答案
【单选题】How could rainforest nations achieve sustainable development?
A.
By increasing their food output.
B.
By depending on their own economic activities.
C.
By developing partnership with other countries.
D.
By rewarding then financially for their efforts in protecting nature.
查看完整题目与答案
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【单选题】粗实线所用线型为?
A.
continuous
B.
dashed
C.
center
D.
phantom
查看完整题目与答案
【单选题】粗实线所用线型为( )。
A.
continuous
B.
dashed
C.
center
D.
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【多选题】Which are the roles of merchant banks?
A.
issuance
B.
underwriting
C.
restructuring
D.
M&A
E.
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【简答题】Long Conversation M: It’s good to have you back at work Emily. How was your trip to the Amazon rainforest? W: It was like______1______; I saw so many more things than I ever could have imagined. The p...
查看完整题目与答案
【简答题】• 用“图层特性管理器”创建新图层并将点划线所在的层设置为当前层,图层设置要求见表 2-2 。 线型 颜色 线宽 点划线( CENTER ) 红色 默认 粗实线(默认) 蓝色 0.5 细实线(默认) 黑色 默认 虚线( HIDDENX2 ) 绿色 默认
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【多选题】管理者在组织中的层次地位划分为哪几种？
A.
高层管理者
B.
中层管理者
C.
基层管理者
D.
战略决策者
查看完整题目与答案
【多选题】Which are the roles of finance functions?
A.
To provide information to managers for decision-making
B.
To ensure compliance with social and legal responsibilities
C.
To record and control what happens to money
D.
To improve products or processes.
查看完整题目与答案
【多选题】Which of the following are the roles of news agencies?
A.
Collecting news.
B.
Writing news.
C.
Transmitting news.
D.
Selling news.
查看完整题目与答案
【单选题】How could rainforest nations achieve sustainable development?
A.
By increasing their food output.
B.
By depending on their own economic activities.
C.
By developing partnership with other countries.
D.
By rewarding them financially for their efforts in protecting nature.
查看完整题目与答案
【单选题】How could rainforest nations achieve sustainable development?
A.
By increasing their food output.
B.
By depending on their own economic activities.
C.
By developing partnership with other countries.
D.
By rewarding then financially for their efforts in protecting nature.
查看完整题目与答案