广州市首任市长叶剑英元帅号召青年们用自己双手建设的人民体育场是()体育场。
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You are a database administrator for your company. The company’s financial forecasting application uses a SQL Server 2005 database that enables business users to run both ad hoc and predefined queries. You suspect that some queries consume an excessive amount of server resources. You need to identify which queries consume the most resources. You want to achieve this goal as quickly as possible. What should you do?()
A. Use the DBCC INPUTBUFFER command.
B. Use the sys.dm_exec_query_stats dynamic management view (DMV).
C. Use the sqldiag utility.
D. Use the SHOWPLAN session option.
根据《压力容器安全技术监察规程》的规定:对易燃介质或毒性程度为极度、高度或中度危害介质的压力容器,应在安全阀或爆破片的排出口装设导管,将排放介质引至安全地点,并进行妥善处理,不得直接排入大气。()
A. 正确
B. 错误
绝缘导线染色环标记的位置应根据线的粗细,在距绝缘端()开始。
A. 5-10mm
B. 1-5mm
C. 10-20mm
D. 8-10mm