题目内容

抽油机井每月有25d以上不得连续缺少3d,具有代表性的()压力资料为全。

A. 泵压
B. 静压
C. 流压
D. 油、套压

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Given below is a list of scenarios: 1)A user terminates his session abnormally. 2)The connection between the server and the client application terminates because of a network failure. 3)A schema is accidentally dropped. 4)The tablespace is accidentally dropped from the database. 5)The hard disk gets corrupted and the data files in the disk are lost. 6)The database instance abnormally shuts down because of power failure. Which scenarios require DBA intervention to perform recovery()

A. 4 and 5
B. 1,3,and 6
C. 4,5,and 6
D. 3,4,and 5
E. 1,2,and 6

不是出于非法获利目的,而是迫于生活困难,或者严重重男轻女思想影响,私自将无独立生活能力的子女送他人抚养的,收取少量“感谢费”的,不以拐卖妇女、儿童罪论处。()

A. 正确
B. 错误

永磁式直流伺服电机的电磁转矩与电枢电流成关系。

引起建设工程债权债务关系发生的最主要、最普遍的依据是()。

A. 合同
B. 侵权
C. 不当得利
D. 无因管理

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