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【多选题】
关系模式的三类数据完整性规则包括()规则。A.
参照完整性
B.
实体完整性
C.
结构完整性
D.
用户定义的完整性
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举一反三
【简答题】在C#中，所有异常类的基类是 。
【简答题】c++标准库中所有异常类的基类是
【单选题】()类是C#中其他所有异常类的基类
A.
System.AllException
B.
System.Exceptions
C.
System.Exception
D.
System.AllExceptions
【单选题】ssh方式远程登录路由器Router时,如果密钥为R3.zhangsan.com,说明主机名为(),域名为()
A.
Router，zhangsan
B.
R3，zhangsan
C.
R3，zhangsan.com
D.
Router，zhangsan.com
【简答题】Long after the lorry had gone, after the dust had settled, and the earth and the sky were in the same place, Lanny stood there, staring at nothing, thinking of nothing, feeling nothing.
【单选题】Long after the lorry had gone, after the dust had settled, and the earth and the sky were in the same place, Lanny stood there, staring at nothing, thinking of nothing, feeling nothing.
A.
松散句
B.
掉尾句
C.
平衡句
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