如果想查看showmessage过程的帮助信息，请你说出两种获取帮助信息的方式。
What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database?（） [" Effectively implements role separation"," Enables you to take advantage of Oracle Managed Files."," Automatically registers the database with Oracle Restart."," Helps you to easily upgrade the database from a prior release."," Enables the Installation of Grid Infrastructure files on block or raw devices."]
什么是文化情境？
消除半衰期对临床用药的意义（） ["可确定给药剂量","可确定给药间隔时间","可预测药物在体内消除的时间","可预计多次给药达到稳态浓度的时间","可确定一次给药后效应的维持时间"]
移动通信机房内的各类接地线应从（）或共用地网上分别引入。 ["接地线","避雷针","扁铁","接地汇集线"]
顾客
