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【判断题】
某一级施工企业，在A市市区承包了一栋高层钢筋混框架结构型式的多层办公楼。该工程配制300m 3 钢筋混基础，混配合比为水泥：砂：卵石=1：2．2：4．3。每m 3 混中的水泥用量为306kg，施工定额规定水泥损耗量为1％，砂、卵石的损耗为1.5％损耗为1.5％ 该建筑企业材料管理体制是建筑企业组织、领导材料管理工作的根本制度。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When did mankind’s journey into space begin?
A.
In 1957 when the Soviet Union launched Sputnik.
B.
In 1957 when the U.S. launched Sputnik.
C.
In 1967 when the Soviet Union launched Sputnik.
D.
In 1967 when the U.S. launched Sputnik.
【单选题】When did the writer left the marketplace, she wanted to cry, but did not because______.
A.
she had learned to stay cool and unfeeling
B.
she was afraid of crying in public
C.
she had learned to face difficulties bravely
D.
she bad to show in public that she was strong
【简答题】是 cosx的原函数.
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