根据《危险性较大的分部分项工程安全管理办法》建质【2009】87号

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问题单项选择题

根据《危险性较大的分部分项工程安全管理办法》建质【2009】87号文的规定，搭设高度（）m及以上的落地式脚手架工程必须专家论证。

A.20

B.30

C.40

D.50

答案

参考答案：D

单项选择题

Discretionary fiscal policy can be defined as:（）

A. a situation in which total government spending exceeds total government revenue during a specific time period, usually one year.

B. a change in laws or appropriation levels that alters government revenues and/or expenditures.

C. a situation in which total government spending is less than total government revenue during a time period, usually one year.

单项选择题

当初步设计达到一定深度，建筑结构比较明确时，可采用( )编制建筑工程概算。

A．概算指标法

B．预算单价法

C．实物法

D．扩大单价法