B2O3玻璃是唯一能用来制造有效吸收（）的氧化物玻璃。
Which two statements regarding the FLASHBACK_TRANSACTION_QUERY view are correct?（） ["You can find information about only active transactions from the view","You can find information about read only transactions from the view","You require the SELECT ANY TRANSACTION system privilege to access the view ","You can find information about both active and committed transactions from the view ","You require the SELECT ON FLASHBACK_TRANSACTION_QUERY object privilege to access the view"]
不是装配式预应力钢筋混凝土水池的施工方法是（）。 ["绕丝法","电热张拉法","径向张拉法","径向绕丝法"]
将某一文本段的格式复制为另一文本段的格式，先选择源文本，单击（）按钮后才能进行格式复制。 ["格式刷","复制","重复","保存"]
根据《安全生产法》的规定和要求，从业人员有哪些义务？（） ["接受安全生产教育和培训","掌握本职工作所需的安全生产知识","提高安全生产技能","增强事故预防和应急处理能力"]
给下列汉字注音并组词。裸
