试题与答案

Farming in the USA today is very differe

题型:完形填空

题目:

Farming in the USA today is very different from that 100 years ago. In those days, farmers did not

have many machines to help them. They had animals. 小题1:    __  This meant that farms were smaller

than they are now. Farmers also worked in a different way in the past. In those days, farmers grew fruits

and vegetables and kept cows, pigs and chickens to feed their families. 小题2:_______

Farmers have a very special life in many ways. First of all, they can't leave the job at the end of

the day. They live on the farm and there is always work to do. Second, a lot of farm work is outdoors,

so the weather is very important for farmers. 小题3:_________   A lot of bad weather means farmers will

lose money. Finally, farmers work with plants and animals. They understand nature better than other

people do .

小题4:_______ Spring is a time for planting. Farmers are busy getting the fields ready and then: Planting the seeds(种子). In summer, farmers must take good care of the plants. Some may need water. Other plants may have problems with insects or diseases. Then in fall, the fruits or plants are ready for picking. 小题5:_______ Winter is a time for rest or for work on the farm machines.

把A---E五个选项填入文中空缺处,使短文完整正确。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C, D解析:本题考核可以用于抵押的财产范围。根据规定,学校、幼儿园、医院等以公益为目的的事业单位、社会团体的教育设施、医疗卫生设施和其他社会公益设施不能用于抵押;所有权、使用权不明或者有争...

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题型:问答题

某大型工业项目的主厂房工程,发包人通过公开招标选定了承包人,并依据招标文件和投标文件,与承包人签订了施工合同。合同中部分内容如下。

(1)合同工期160天,承包人编制的初始网络进度计划,如图9-1所示。

由于施工工艺要求,该计划中C、E、I三项工作施工需使用同一台运输机械;B、D、H三项工作施工需使用同一台吊装机械。上述工作由于施工机械的限制只能按顺序施工,不能同时平行进行。

(2)承包人在投标报价中填报的部分相关内容如下。

①完成A、B、C、D、E、F、G、H、I九项工作的人工工日消耗量分别为100、400、400、300、200、60、60、90、1000个工日。

②工人的日工资单价为50/工日,运输机械台班单价为2400元/台班,吊装机械台班单价为1200元/台班。

③分项工程项目和措施项目均采用以直接费为计算基础的工料单价法,其中的间接费费率为18%,利润率为7%,税金按相关规定计算。施工企业所在地为县城。

(3)合同中规定:人员窝工费补偿25元/工日,运输机械折旧费1000元/台班,吊装机械折旧费500元/台班。

在施工过程中,由于设计变更使工作E增加了工程量,作业时间延长了20天,增加用工100个工日,增加材料费2.5万元,增加机械台班20个,相应的措施费增加1.2万元。同时,E、H、I的工人分别属于不同工种,H、I工作分别推迟20天。

[问题]

调整后的网络进度计划总工期为多少天关键工作有哪螳

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