2级关断是属于（）引起的关断 生产之工艺系统。 火灾。 主电源失电。
Which two statements are true when row archival management is enabled?（） The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.。 The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active.。 The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.。 The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.。 The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active.。
职业规划是指从业者进入职业角色，履行职业角色义务，享受职业角色权利，遵守职业角色规范的发展过程。（）
依据空气因子分类抗风树种：
Given: Which statement is true？（） The code will compile without changes.。 The code will compile if public Tree（） { Plant（）； } is added to the Tree class.。 The code will compile if public Plant（） { Tree（）； } is added to the Plant class.。 The code will compile if public Plant（） { this（"fern"）； } is added to the Plant class.。 The code will compile if public Plant（） { Plant（"fern"）； } is added to the Plant class.。
纽曼的游戏特征的“三内说”认为，游戏的特征有（）
