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【单选题】
关系模型有三类完整性约束：实体完整性、参照完整性和用户定义的完整性。什么完整性是关系模型必须满足并由DBMS自动支持的?
A.
实体完整性
B.
实体完整性和参照完整性
C.
参照完整性和用户定义的完整性
D.
实体完整性、参照完整性和用户定义的完整性
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参考答案：
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【单选题】某公司发行期限为50年的债券，票面值为1000元，利率为6%，发行费率为2%，所得税率为46%，本金于50年后一次偿还，则债券成本为()
A.
3.3%
B.
5%
C.
8%
D.
10%
查看完整题目与答案
【单选题】听力原文： Foreigners joining a Chinese dinner party should know and follow Chinese table manners. Before dinner you sometimes get a hot, damp cloth, with which you can clean your face and hands. It is a c...
A.
To clean the table.
B.
To put it on the knees.
C.
To clean face and hands.
查看完整题目与答案
【多选题】What are the principles of table manners one should follow in China?
A.
Other people are not supposed to be seated before the guest of honour is seated.
B.
To start eating after the elders and superiors and stop when they do.
C.
To take a smaller amount of food on the first round.
D.
When eating crispy food or drinking soup, we should slurp food.
E.
When the whole fish is served, the head is placed towards the most honored guest.
F.
To place the teapot in a position where the spout is facing a dinner
查看完整题目与答案
【简答题】Passage Two A multitude of etiquette considerations occur when dining in China. There are some special differences in table manners from western countries. A round dining table is more popular than a ...
查看完整题目与答案
【多选题】参与20世纪50年代末到60年代美学大讨论的代表人物有()
A.
鲁迅
B.
蔡仪
C.
高尔泰
D.
吕荧
查看完整题目与答案
【单选题】Which of the following statements about table setting in China is false? ______
A.
Square and rectangular tables are normally used for small groups of people
B.
Round tables are normally used for large groups.
C.
If the round table is very large, then it usually has a Lazy Susan turntable to facilitate passing or serving dishes.
D.
Round tables are normally used for small groups of people.
查看完整题目与答案
【简答题】图E.3所示电路原已处于稳态,试用三要素法求开关S闭合后的响应 和 。
查看完整题目与答案
【简答题】某公司发行面值为1000元,票面利率为8%,期限为10年的公司债券,每年年末付息一次。则讨论以下三种情况债券发行价格: (1)假定债券发行时的市场利率分别为8%,该公司的债券发行价格为(第一空)元; (2)假定债券发行时的市场利率分别为10%,该公司的债券发行价格(第二空)元; (3)假定债券发行时的市场利率分别为6%,该公司的债券发行价格(第三空)元。 要求:计算结果保留整数。
查看完整题目与答案
【单选题】In China, where does the person footing the bill sit?
A.
Facing the entrance.
B.
Opposite the guest of honor.
C.
Next to the person in the middle of the round table.
查看完整题目与答案
【单选题】某公司于20×8年1月1日按每份面值1000元发行了期限为2年、票面年利率为7%的可转换公司债券30万份，利息每年年末支付。每份债券可在发行1年后转换为200股普通股。发行日市场上与之类似但没有转换股份权利的公司债券的市场利率为9%，假定不考虑其他因素。20×8年1月1日，该事项对所有者权益的影响金额为( )万元。(已知PV9%,1=0.9174，PV9%,2=0.8417)
A.
0
B.
1055
C.
3000
D.
2945
查看完整题目与答案
相关题目：
【单选题】某公司发行期限为50年的债券，票面值为1000元，利率为6%，发行费率为2%，所得税率为46%，本金于50年后一次偿还，则债券成本为()
A.
3.3%
B.
5%
C.
8%
D.
10%
查看完整题目与答案
【单选题】听力原文： Foreigners joining a Chinese dinner party should know and follow Chinese table manners. Before dinner you sometimes get a hot, damp cloth, with which you can clean your face and hands. It is a c...
A.
To clean the table.
B.
To put it on the knees.
C.
To clean face and hands.
查看完整题目与答案
【多选题】What are the principles of table manners one should follow in China?
A.
Other people are not supposed to be seated before the guest of honour is seated.
B.
To start eating after the elders and superiors and stop when they do.
C.
To take a smaller amount of food on the first round.
D.
When eating crispy food or drinking soup, we should slurp food.
E.
When the whole fish is served, the head is placed towards the most honored guest.
F.
To place the teapot in a position where the spout is facing a dinner
查看完整题目与答案
【简答题】Passage Two A multitude of etiquette considerations occur when dining in China. There are some special differences in table manners from western countries. A round dining table is more popular than a ...
查看完整题目与答案
【多选题】参与20世纪50年代末到60年代美学大讨论的代表人物有()
A.
鲁迅
B.
蔡仪
C.
高尔泰
D.
吕荧
查看完整题目与答案
【单选题】Which of the following statements about table setting in China is false? ______
A.
Square and rectangular tables are normally used for small groups of people
B.
Round tables are normally used for large groups.
C.
If the round table is very large, then it usually has a Lazy Susan turntable to facilitate passing or serving dishes.
D.
Round tables are normally used for small groups of people.
查看完整题目与答案
【简答题】图E.3所示电路原已处于稳态,试用三要素法求开关S闭合后的响应 和 。
查看完整题目与答案
【简答题】某公司发行面值为1000元,票面利率为8%,期限为10年的公司债券,每年年末付息一次。则讨论以下三种情况债券发行价格: (1)假定债券发行时的市场利率分别为8%,该公司的债券发行价格为(第一空)元; (2)假定债券发行时的市场利率分别为10%,该公司的债券发行价格(第二空)元; (3)假定债券发行时的市场利率分别为6%,该公司的债券发行价格(第三空)元。 要求:计算结果保留整数。
查看完整题目与答案
【单选题】In China, where does the person footing the bill sit?
A.
Facing the entrance.
B.
Opposite the guest of honor.
C.
Next to the person in the middle of the round table.
查看完整题目与答案
【单选题】某公司于20×8年1月1日按每份面值1000元发行了期限为2年、票面年利率为7%的可转换公司债券30万份，利息每年年末支付。每份债券可在发行1年后转换为200股普通股。发行日市场上与之类似但没有转换股份权利的公司债券的市场利率为9%，假定不考虑其他因素。20×8年1月1日，该事项对所有者权益的影响金额为( )万元。(已知PV9%,1=0.9174，PV9%,2=0.8417)
A.
0
B.
1055
C.
3000
D.
2945
查看完整题目与答案
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