关于建筑幕墙预埋件制作、安装的做法，正确的有（）。 ["使用冷加工钢筋作为锚筋","安装时，各轴之间应从左往右测量放线","不允许把锚筋弯成Ⅱ形或1形与锚板焊接","当锚筋直径不大于20mm时，宜采用压力埋弧焊焊接","预埋件与主体结构连接部位的主体结构混凝土强度等级不应低于C20"]
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"]
良好的人际关系不能带来（） ["安全感","幸福感","归属感","失落感"]
In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（） ["After the COPY command.","After adding a data file in the target database.","After adding a tablespace in the target database.","After adding a tablespace in the catalog database.","After dropping a data file in the catalog database.","After running SQL Loader to load a large amount of data."]
黄酮类化合物的生理作用是多种多样的，如（）和（）作用。
