竞争性成本计划带有成本战略性质，是项目（） 投标阶段商务标书的基础。 投标阶段技术标书的支撑。 实施方案制定的依据。 指导性成本计划的深化。
In the 1970s Britain maintained the（）growth rate and the（）inflation rate among the developed countries. lowest/lowest。 highest/highest。 lowest/highest。 highest/lowest。
下面每句都有一个标点符号错误，该用标点处未用标点或标点符号用错，改正错误或补写标点。 1.I don't know how to answer that question? 2.Don't forget to cross your ts. 3.Ouch I think I've broken my toe. 4.It was James' father not her mother,who visited her recently. 5.It is a dependable fool proof method. 6.Our company produces many fine products it has,in fact,a reputation for quality merchandise. 7.In the first quarter prices rose 5 per cent;in the second quarter,3 per cent and in the third 7 per-cent. 8.Frank Stanley,III will replace his grandfather,Frank Stanley,Sr.,as president of the company. 9.Stallions yield the highest prices;but mares can also be extremely expensive. 10.Help,Help!Someone has fallen into the river.
招标人对已发出的招标文件进行必要的澄清或者修改的，该澄清或修改的内容为（）的组成部分 投标文件。 招标文件。 评标报告。 投标文件和招标文件。
发文机关应当使用（） 发文机关的简称或缩写。 发文机关的全称或规范化简称。 发文机关的全称或别称。 发文机关的全称或简称。
闸瓦托四爪与闸瓦接触处磨耗后堆焊后加工，加工后四爪厚度不小于（）。
