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试论述如何培养智力技能。

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简述幼儿园心理环境的设计方法。

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腓总神经损伤将会出观哪些症状？

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龙岩（）社会治安综合治理委员会可对应由上级社会治安综合治理委员会否决的对象行使一票否决建议权。

A. 市、县（市、区）、乡（镇、街道）三级
B. 市、县（市、区）二级
C. 县（市、区）、乡（镇、街道）二级
D. 县（市、区）、乡（镇、街道）村居三级

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From the V$SESSION_LONGOPS view， you find that some of the database users have longrunning queries and are consuming a lot of CPU time. This causes problems for you when you try to log on as the system user and perform small maintenance tasks. You would like to ensure that users SYS and SYSTEM get priority over all other users. Which method would you use to achieve this objective？（）

A. create a plan directive in the SYS_GROUP
B. create the pending area for the consumer group
C. activate the provided SYSTEM_PLAN in Resource Manager
D. set the TIMED_STATISTICS parameter to TRUE in the parameter file
E. set the execution time limit for all users， except SYS and SYSTEM， in their profile

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