所谓“首因心理”，就是人在相互认识的活动中，最初获得的关于对象的信息，在评价对象时起着重要的作用。（）
Which two statements are true about Oracle Real Applications Insight ？（） [" it provides enhanced visibility across the entire application infrastructure "," it provides a set of management tools that enable automation of configuraion"," it significantly increases the performance of Web-based applications with no code change"," it dramatically reduces costs associated with diagnostics， configuration， and deployment on production servers&e"]
春秋战国时期，对促进民族融合起直接作用的因素是（）。 ["兼并战争","铁器的使用","各国变法","商业兴盛"]
若上行单程时间为20分钟，上行单程行驶时间为16分钟，下行单程时间为22分钟，下行单程行驶时间为16分钟，始、末站停站时间均为6分钟，则周转时间定额为（）分钟。 ["86分钟","44分钟",".48分钟","54分钟"]
Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（） [" Backup of offline tablespaces."," Backup of read-only tablespaces."," Backup of system-critical tablespaces."," Backup of online， locally managed tablespaces."," Backup of read\/write dictionary-managed tablespaces."]
无形资产
