加强安全生产管理的具体措施不包括（） 完善安全生产管理人员培训制度。 明确安全责任主体。 加强现场安全管理。 完善安全技术措施。
Which three descriptions are correct about the effects of the TRUNCATE command on a table（） The corresponding indexes for the table are also truncated.。 Delete triggers on the table are fired during the execution of the TRUNCATE command.。 The child table is truncated when the TRUNCATE command is applied on the parent table.。 The high-water mark （HWM） is set to point to the first usable data block in the table segment.。 No undo or very little undo data is generated during the execution of the TRUNCATE command。
环境心理学的学术根源主要有（） 心理学。 美学。 环境科学。 建筑学。
雷电引起的过电压称为（）。 内部过电压。 工频过电压。 大气过电压。
A customer is evaluating PowerVM and VMware to run a data warehouse application. Which feature of PowerVM should be highlighted as a differentiator?（） PowerVM offers partition mobility.。 PowerVM can virtualize network and SAN resources.。 PowerVM supports multiple operating systems running concurrently.。 PowerVM allows an LPAR to use activated cores and memory without limitation.。
标志着管理科学成为一门独立学科的代表作是（）
