活化部分凝血活酶时间测定是下列哪一种性质的试验（） ["共同途径凝血因子筛选试验","DIC确诊试验","内源性凝血因子筛选试验","外源性凝血因子筛选试验"]
Your database is running in ARCHIVELOG mode. One of the data files， USERDATA01.dbf， in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator （DBA）？（） [" Redo logs "," Control file"," The latest backup of only the damaged data file"," The latest backup of all the data file in the USERS tablespace"," Temporary files of temporary tablespace"," Archive Logs since the latest backup to point of failure"]
制定统一的评估标准，可以确保资产评估的（）、（）和（）。 ["公平性","科学性","合理性","合法性"]
JZ-7型空气制动机机能检查时，自阀、单阀手柄均置运转位，均衡风缸压力指示值应为（）。 ["400kPa或600kPa","500kPa或600kPa","500kPa或650kPa","450kPa或600kPa"]
While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（） [" The plan baselines can be evolved over time to produce better performance."," The newly generated plans are directly placed into the SQL plan baseline without being verified."," The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration."," The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported."]
种群的大小和密度
