钻孔灌注桩成孔后，孔口应用（）保护，并设安全警示标志，附近不得堆放重物。 ["围栏","盖板","提示遮拦","安全网"]
ERP实施流程中，建设阶段的工作内容包括（）。 ["制定项目方案","静态数据准备工作","软件开发或定制","软件系统安装调试"]
Anne's father would not（）to her marrying a foreigner. ["content","consent","approve","choose"]
She（）a talk on philosophy to the society. ["delivered","deliberated","dyed","delighted"]
乙炔气瓶的颜色标志，瓶体应涂（）色。 ["白","银灰","铝白"]
高、低加热器如何胡定？
