题型:单项选择题 Questions 11-14A.(A) He asks the porter to carry his suitcase to his room.B.(B) He wants a morning call at 7 o’clock the next day.C.(C) He thinks the woman at the reception is very helpful.D.(D) He puts the woman’s pen in his pocket by mistake. 查看答案
题型:问答题 某施工双代号网络进度计划如下图所示,其中A、B、D工作使用同一种施工机械,开工前有一台施工机械出现故障,导致可使用的该机械只有一台,根据现场施工条件,工作顺序调整为B、A、D,设备租赁费2000元/天。问题:计算调整后网络计划工期并指出关键线路。 查看答案