常用材料消耗定额,作为签发施工任务书和限额预料使用是______。A.概算定额 B. 发布时间:2018-01-07 09:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 常用材料消耗定额,作为签发施工任务书和限额预料使用是______。A.概算定额B.预算定额C.施工定额D.劳动定额
题型:单项选择题 The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult. A.onceB.whenC.ifD.unless 查看答案