招标工程的合同价款,应该由发包人和承包人在协议书中约定,约定合同价款的依据是( )
A.招标标底B.投标报价C.中标价格D.预算造价
参考答案:B
冶金焦的硫分应<1.5﹪。
Questions
The article is about a couple whose married life is happier because ______.
A. they have a truly equal partnershipB. the husband enjoys staying at homeC. they earn more money