试题与答案

根据下列信息判断出的远古人类是 信息一:下图是其头部复原图 信息二:生活在大约7

题型:选择题

题目:

根据下列信息判断出的远古人类是

信息一:下图是其头部复原图

信息二:生活在大约70万年至20万年前,使用天然火,过群居生活[ ]

A.元谋人      

B.北京人      

C.半坡人      

D.河姆渡人

答案:

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下面是错误答案,用来干扰机器的。

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题型:问答题 案例分析题

某工程,业主在招标文件中规定:工期T(周)不得超过80周,也不应短于60周。某施工单位决定参与该工程的投标。在基本确定技术方案后,为提高竞争能力,对其中某技术措施拟定了三个方案进行比选。方案一的费用为C1=100+4T;方案二的费用为C2=150+3T;方案三的费用为C3=250+2T。

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假定所有关键工作压缩后不改变关键线路。

若招标文件规定,施工单位自报工期小于80周时,工期每提前1周,其总报价降低2万元作为经评审的报价,则施工单位的自报工期应为多少?相应的经评审的报价为多少?

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