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【单选题】
关于数据完整性,下列说法错误的是
A.
数据符合现实世界语义
B.
数据反应当前实际情况
C.
数据很多很复杂
D.
数据库同一对象在不同关系表中的数据是符合逻辑的
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举一反三
【单选题】-Must we clean the house now? -No, you_.
A.
needn't
B.
may not
C.
mustn't
D.
can't
【单选题】—Must we clean the room now? —No,you ( )
A.
mustn't
B.
needn't
C.
can't
【简答题】The homeless make up a growing percentage of America’s population. (1)_____, homelessness has reached such proportions that local government can’t possibly cope. To help homeless people toward indepen...
【单选题】―Must we clean the classroom now? ―No ,you needn't. It .
A.
must clean after school
B.
cleans after school
C.
won't clean today
D.
can be cleaned after school
【单选题】According to the interview, John Cobbs experience to Black Spots will______.
A.
help fix dangerous intersections of roads
B.
contribute to raising more federal fund
C.
enhance the committee's work efficiency
D.
ensure the most efficient use of the federal fund
【单选题】在会计核算软件的功能模块中,具有双向数据联系的功能模块是()
A.
账务处理模块
B.
工资核算模块
C.
固定资产核算模块
D.
报表管理模块
【判断题】The essence of the national health model is: Employer and employee contributions are used by the federal government as an insurance fund and the government in turn pays private providers.
A.
正确
B.
错误
【单选题】The fund has been used largely to _________ the construction of federal prisons.
A.
found
B.
finance
C.
filter
D.
fiber
【多选题】某矿山设备上用的大型齿轮的一段可看作是:()
A.
功能模块
B.
非模块化功能模块
C.
结构模块
D.
大零件分段模块
【判断题】教育调查研究必须对全体总体进行调查。
A.
正确
B.
错误
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