Given： When the doSomething method is called， after which line does the Object created in line 5 become available for garbage collection？（） Line 5。 Line 6。 Line 7。 Line 8。 Line 9。
幼儿园的基建管理应依据国家的有关法令而开展，直接法规依据有（） 《托儿所、幼儿园建筑设计规范》。 《幼儿园工作规程》。 《幼儿园管理条例》。 《城市幼儿园建筑面积定额》。
为什么说家庭以外最主要的社会化环境是学校？
工业毒物侵入人体的途径常见的有三种，但不包括（）。 呼吸道；。 皮肤；。 消化道；。 血液。
You are working on the APPDB database as a DBA. The database has a default Flashback Data Archive DFLA1 created on it. You issued the following command to drop the Flashback Archive FLA1: DROP FLASHBACK ARCHIVE fla1,What is the effect of this command?（） The Flashback Archive FLA1 is dropped only if it is empty.。 The tablespace having Flashback Archive is dropped.。 The Flashback Archive FLA1 is dropped after moving the existing data in it to the default Flashback Archive.。 The Flashback Data Archive and historical data are dropped.。
You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?（） (Choose two).
