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【简答题】
背景资料 某二级公路的主要工序见表6—82。 施工单位编制了如图6—3所示的网络计划： 施工中发生了如下事件： 事件一：由于施工单位设备故障，导致c工作中断4 d。 事件二：由于百年一遇的冰雪灾害，导致D工作晚开工15 d。 事件三：由于图纸晚到，导致E工作停工10 d。 针对上述事件中的暂停施工，施工单位在合同规定时间内向监理提出了延期申请和费用索赔的要求。合同约定，成本损失费为人民币l．5万：Yv_／d，利润损失费为人民币0．2万元/d。 问题： 1．计算图示网络工期，并指出关键线路。 2．针对背景中的网络计划，分别分析C、D、E工作工期索赔和费用索赔的合理性。 3．计算可索赔的费用。 4．结合背景，分析施工单位应编制哪些安全生产专项施工方案。
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【单选题】They returned form a _____ trip to the United States.
A.
three day
B.
three day's
C.
three-days
D.
three-day
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【单选题】A company that produces racing motorbikes has several models that sell well within the motorcycle racing community and which are very profitable for the company. Despite having a profitable product, w...
A.
Profits from the sales of popular models will be lost when returned to the shareholders in the form of dividends.
B.
New models will require a lot of money to develop and bring to market before they generate any revenue.
C.
The company will have built up debts which must be repaid in order to bring the current models to market.
D.
Equity must be raised to finance the development of new models to replace the existing models.
【单选题】A company that produces racing motorbikes has several models that sell well within the motorcycle racing community and which are very profitable for the company. Despite having a profitable product, w...
A.
Profits from the sales of popular models will be lost when returned to the shareholders in the form of dividends.
B.
New models will require a lot of money to develop and bring to market before they generate any revenue.
C.
The company will have built up debts which must be repaid in order to bring the current models to market.
D.
Equity must be raised to finance the development of new models to replace the existing models.
【简答题】天文学上常用“天文单位”来表示距离，一个天文单位指的是（ ）。
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