分别有C40混凝土试块一组，试件抗压强度值为：31;40;45，分别有C30混凝土试块一组，试件抗压强度值为：25;30;35，分别有C20混凝土试块一组，试件抗压强度值为：18.6;20;22.6。回答以下问题(1)C40混凝土试件抗压强度值为( )。 -题库考试答案搜索网

分别有C40混凝土试块一组，试件抗压强度值为：31;40;45，
分别有C30混凝土试块一组，试件抗压强度值为：25;30;35，
分别有C20混凝土试块一组，试件抗压强度值为：18.6;20;22.6。
回答以下问题
(1)C40混凝土试件抗压强度值为( )。

单选题

2021-07-17 22:11

A、30
B、40
C、42.5
D、无代表值

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正确答案

B

试题解析

标签：建筑工程类造价师二级造价师资料员专业实务真题二

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