工程施工招标的标底可由()编制
A.招标单位
B.招标管理部门
C.委托具有编制标底资格和能力的中介机构
D.定额管理部门
E.施工单位
参考答案:A, C
In recent years, many children are made _______ what they are not _______.
A.to do; interested in
B.to do; interested
C.do; interested
D.do; interested in
液化汽中最重要组分是什么?