服务项目计划的首要工作是( )。
A.成本计划 B.时间计划C.人力资源计划 D.范围计划
参考答案:D
The _____ famous family of musicians were the Strauss family.[ ]
A. more
B. most
C. much
水泥粉煤灰碎石桩地基检验有什么要求?