题目内容

公路的曲线段超高的概念是什么?为什么要设置曲线段超高?

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我们党的最大政治优势是_____,党执政后的最大危险是脱离群众。

A. 密切联系群众
B. 加强作风建设
C. 反对“四风”

电铲的绝缘用品用具的使用与管理的要求是什么?

为了保证熔渣粒化和输送,冲水渣的总用水量应是渣量的2~3倍。

A. 正确
B. 错误

Which two statements about the SQL Management Base (SMB) are true? ()(Choose two.)

A. It contains only SQL profiles generated by SQL Tuning Advisor.
B. It stores plans generated by the optimizer using a stored outline.
C. It is part of the data dictionary and stored in the SYSAUX tablespace.
D. It is part of the data dictionary and stored in the SYSTEM tablespace.
E. It contains the statement log, the plan history, plan baselines, and SQL profiles.

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