试题与答案

—Do you know the colors of the Olympic r

题型:选择题

题目:

—Do you know the colors of the Olympic rings?

—Yes. They're blue, yellow, black, green and red. You can find ____ one of these colors in the flags

    of every country. [ ]

A. at least

B. at most

C. only

D. more than

答案:

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参考答案:B解析:工期与造价有着对立统一的关系。这是因为,加快工期需要增加投入,而延缓工期则会导致管理费用的提高。因此,要经过优化确定合理的工期。施工组织设计中,要求进度计划的工期小于定额工期及合同...

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