进城务工的农村居民不能参加失业保险。
Which three statements are true about the working of system privileges in a multitenant control database(CDB) that has pluggable databases (PDBs)?（） System privileges apply only to the PDB in which they are used.。 Local users cannot use local system privileges on the schema of a common user.。 The granter of system privileges must possess the set container privilege.。 Common users connected to a PDB can exercise privileges across other PDBs.。 System privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users.。
推进水利工程建设项目信息公开和诚信体系建设的目的要求不包括（） 解决市场准入和退出机制不健全的问题。 解决水利工程建设信息公开不规范的问题。 完善水利工程建设制度。 解决水。
施工方案的拟定应与企业经营理念合理结合，落实经营思想的措施。以下哪个措施不属于正确的做法（） A.自建轧石场，生产路面基层底基层适用的碎石。 。 B.充分利用隧道、路堑开挖石方。优质石料加工后，堆放在适当位臵用于砌石工程，稍次者用于桥涵基坑垫层、路堤填筑等。 。 C.符合标书基础上，水泥混凝土、沥青混凝土尽可能外购商品料。 。 D.路基清表工序实施前，规划好表层耕植土推积、储放办法，工程竣工后，用于临时用地的复耕。。
From the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries. You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message. Which method would you follow to achieve this？（） set the CPU time per call in the users profile。 set the CPU time per session in the users profiles。 set the TIMED_STATISTICS parameter to TRUE in the parameter file。 set the CPU levels for the users’ group using Resource Manager。
猜动物的叫声（２岁前）属于婴儿游戏中的（）
