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【背景材料】R公司中标一高层写字楼工程,合同工期20个月。按照招标文件中合同条款的规定,工期每提前一个月奖励5万元,每滞后一个月罚款10万元。在开工之前,须向工程师提交详细的施工组织设计和网络图,R公司对各工序的划分和各工序的逻辑关系见表3-2。 根据此表编制的网络图获得工程师的批准,在工程施工过程中发生以下事件: 事件一:E工作为软弱地基土开挖工程,边坡支护、降水工作(不在招标范围之内)由业主委托专业基础施工企业C公司施工。该公司使用土锚拉结方案,在施工过程中,因南部边坡土质过于复杂,部分地段出现失稳征兆,及时采用应急方案得以纠正。R公司在基坑内的作业也受到一定的影响。在北边坡的施工过程中,R公司开挖土方过快,使得卸载过急,导致出现地基反弹、边坡出现失稳征兆。后由C公司处理后得以解决。由于以上原因,使工期延长2个月。业主经评估,认为双方对工期延误的责任各占50%。 事件二:I工作为顶层钢结构工程。钢结构加工前,业主通知施工单位该工程需进行设计变更,以实现更多的使用功能,但设计变更图纸几经反复,造成I工作延长2个月。 根据逻辑关系表绘制网络图,并确定关键线路。
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参考答案:
举一反三
【单选题】He pretended to be Japanese, but his Chinese accent him .
A.
gave;away
B.
gave;up
C.
gave;out
D.
gave;off
【单选题】电子商务网站的主页上至少要列出的三项要点是( )。 (1)机构名称; (2)产品或服务; (3)搜索引擎; (4)其它主要内容; (5)网站地图; (6)友情链接。
A.
(1)+(2)+(3)
B.
(4)+(5)+(6)
C.
(1)+(2)+(4)
D.
(2)+(4)+(6)
【单选题】His face _______ when he told a lie
A.
gave him off
B.
gave him away
C.
gave him up
D.
gave him out
【多选题】电信间FD采用的设备缆线和各类跳线宜按计算机网络设备的使用端口容量和电话交换机的实装容量、业务的实际需求或信息点总数的比例进行配置,下列比例正确的是()。
A.
0.1
B.
0,2
C.
0,3
D.
0.4
【简答题】_______, the bookseller gave him something else as a present. A. To the boy's delight                B. To the boy's surprising C. To the boy joy                     D. To make the boy's happy
【单选题】HUB是工作在(__)的设备
A.
物理层
B.
数据链路层
C.
网络层
D.
应用层
【单选题】He pretended to be French, but his German accent _______.
A.
gave him up
B.
gave him off
C.
gave him out
D.
gave him away
【判断题】HUB和交换机一样都是工作在数据链路层的设备。
A.
正确
B.
错误
【单选题】He said he hadnt done that, but his expression______.
A.
gave him up
B.
gave him away
C.
gave in him
D.
gave out him
【简答题】Do you hear the name--Rain? Yes, he is a popular star of South Korea. Rain's music teacher gave him that name. His real name is Jung Ji Hoon. The 27-year-old singer is very good at dancing, too. His e...
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