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德阳庞统祠墓

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不影响行车的施工通过（）同意后，就能进行。

A. 生产调度
B. 行车调度员
C. 值班站长
D. 站务员

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飞机在什么阶段应该接通“系好安全带”信号（）

A. 地面的任何移动
B. 起飞
C. 着陆
D. 机长认为必要的时刻

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在世界电影史上，匈牙利的贝拉·巴拉兹堪称第一位系统探讨电影文化和（）的学者。

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Which of the following best describes the lock protection provided by DB2 for the current row of a cursor?（）

A. The cursor is only protected from updates and deletes by concurrent applications.
B. The row is only protected from positioned updates and deletes that reference another cursor of the same application.
C. The cursor is protected from positioned updates and deletes that reference another cursor of a different application.
D. The row is protected from updates and deletes by the current application and from positioned updates and deletes that reference another cursor of the same application.

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