运动技能的学习，在义务教育基础阶段应该注重学生基本的（）、（）的掌握和（）。不过分追求（）的传授的系统及完整，不苛求（）动作的细节。
In your production database， you observe that users’ transactions are consuming a lot of resources and you plan to impose resource restrictions by using Resource Manager. For which three resources can you enable usage restrictions by using Resource Manager？（） CPU usage。 degree of parallelism。 number of open cursors。 number of sorts performed。 idle time for blocking sessions。 number of disk I/O operations performed。 number of memory I/O operations performed。
冬期预应力钢筋张拉环境温度控制的最小限值是（）℃。 -30。 -20。 -15。 -5。
周卫报告中指出：“课程改革实施――（）可以引导教师一步步走进新课程。”
A customer plans to replace a McData 6140 core director with a Cisco MDS 9506. The storage is based on SVC with three DS5300 back-end storage systems. The storage resources are attached to the 6140 core while all servers are attached to edge switches. Linux, Windows and AIX servers use the SVC. Which of the following is a potential risk associated with this planned migration?（） thereare no potential risks。 the FCIDs of the servers must be changed。 the SVC must be shut down during the migration。 changing the FCIDs of storage resources will impact some server。
影响闸瓦产生制动力的因素主要有闸瓦材质、列车运行速度、闸瓦压强和（）。
