(多选题)23: 公路基本建设活动的内容主要有（ ）。 A: 建筑工程 B: 设备的购置 C: 工具的购置 D: 设备安装工程 E: 其他基本建设工程 ...

(单选题)17: 在网络计划中，若工作A还需3天完成，但该工作距离最迟完成时间点的天数为2天，则（ ）。 A: 该工作不影响总工期 B: 该工作可提前1天完成 C: 该工作会影响总工期1天 D: 该工作会影响总工期2天 ...

(单选题)11: 当施工段数大于施工过程数时，可能会出现( )。 A: 工人窝工 B: 工作面空闲 C: 施工班组不连续施工 D: 资源供应集中 ...

(单选题)5: （ ）是在平行流水作业的原则上，采用上、下、左、右全面施工的方法。 A: 平行流水作业法 B: 平行顺序作业法 C: 立体交叉平行流水作业法 D: 立体交叉平行顺序作业法 ...

(单选题)21: The 12-year-old boy’s goal is to specialize ______ Western history in the future. A: on B: to C: in D: at ...

(单选题)18: He was a cruel and ______ person; that was why all of them were afraid of him. A: insensitive B: sensitive C: sentimental D: sensible ...

(单选题)25: Don't put the medicine ______ children’s reach. The medicine can be very dangerous. A: within B: beyond C: without D: for ...

(单选题)7: At first ______, Manhattan seems to be a city of high-rises, blinding lights and a crazy pace. A: glare B: stare C: grace D: glance ...

(单选题)1: They tried to ____ hard plastics for metals in manufacturing machine parts. A: replace B: substitute C: take the place of D: give way to ...

(单选题)20: _______ more careful, his ship would not have sunk. A: If the captain were B: Had the captain been C: Should the captain be D: If the captain would have been ...