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问题 单项选择题

下列关于施工现场的叙述，不正确的是（）。

A.施工现场应具有良好的排水系统，废水不得直接排入市政污水管网和河流

B.现场存放的油料、化学溶剂等应设有专门的库房，地面应进行防渗漏处理

C.为了美化环境和防止扬尘，暖季应适当绿化

D.地面应保持干燥清洁

答案

参考答案：D

单项选择题

钎探孔平面布置图绘制要有建筑物外边线、主要轴线及各线尺寸关系，外圈钎点要超出垫层边线( )。

A．100～200mm

B．150～250mm

C．300～600mm

D．200～500mm
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单项选择题

Digital computer is controlled by internally stored programs and (66) of using common storage for all or part of a program and also for all or part of the data necessary for the execution of the programs; executing user-written or user-designated programs; performing user-designated manipulation of digitally represented discrete data, including. (67) operations and logic operations; and executing programs that (68) themselves during their execution.

Analog computer’s operations are analogous to the (69) of another system and that accepts, processes, and produces analog data.

(70) computer integrates analog computer components and digital computer components by interconnection of digital-to-analog converters and analog-to-digital converters.

（67）处填（）。

A．mathematical

B．arithmetic

C．numerical

D．digital
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