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【单选题】
用二维表格来表示实体与实体之间联系的数据模型称为( )。A.
关系模型
B.
网状模型
C.
层次模型
D.
实体-联系模型
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【判断题】组织模型的核心是通过CMIP互连的在应用层配置管理实体的一对开放系统,一个担当Manager角色,另一个担当Agent角色,每个系统所承担的角色不是固定的。( )
A.
正确
B.
错误
【简答题】阅读理解。 An 80-year-old man was sitting on the sofa in his house along with his 45-year-old son. Suddenly a crow (乌鸦) landed on their window. The father asked his son, 'What is that?' The son replied, 'T...
【简答题】阅读理解。 An 80-year-old man was sitting on the sofa in his house along with his 45-year-old son. Suddenly a crow (乌鸦) landed on their window. The father asked his son, 'What is that?' The son replied, 'T...
【简答题】现阶段党和国家民族工作的主要任务是什么?
【单选题】在直线与圆曲线之间插入缓和曲线,必须将原来的圆曲线向内移动,这样才能保证缓和曲线起点切于直线上,而缓和曲线终点又与圆曲线上某一点( )
A.
相切
B.
相交
C.
互补
D.
平行
【简答题】秦朝的最高司法机关叫____________
【单选题】Having checked your L/C, we find that several points are not in _____ our S/C No.1234.
A.
conformation to
B.
conformity to
C.
conformation with
D.
conformity with
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