浇筑大体积混凝土对温度应进行控制,下面控制方法错误的是()。A.选用水化热低的水泥

题型:单项选择题

问题:

浇筑大体积混凝土对温度应进行控制,下面控制方法错误的是()。

A.选用水化热低的水泥

B.使用缓凝减水剂

C.控制浇筑层厚度

D.施工进度加快些

考点:铁路桥梁工初级铁路桥梁工初级铁路桥梁工题库
题型:单项选择题

关于道路的叙述中,不符合《城市居住区规划设计规范》的是()。

A.人行出口间距为90m

B.机动车对外出入口的间距为160m

C.小区内主要道路有两个出入口

D.居住区内主要道路有3个方向与外围道路相连

题型:单项选择题

水泥搅拌桩的土层中含有机质(超过0.7%)对水泥土强度()

A.无影响

B.有影响

C.提高强度

D.不能确定

题型:单项选择题

. The boy lost his parents in such a terrible earthquake, so he was ______by the government.

A.brought out

B.raised up

C.grown up

D.brought up

题型:单项选择题

仅用低压管网来分配和供给燃气,一般只适用于小城镇供气的城市燃气管网系统为( )。

A.一级系统

B.二级系统

C.三级系统

D.四级系统

题型:单项选择题

David, a hyperkinetic 5-year-old, exhibits signs of extreme restlessness, short attention span, and impulsiveness. In order to alter the child’s milieu that would likely be most therapeutic for him, what could the nurse do()

A. Define behaviors of the child that will be acceptable and those that will be unacceptable.

B. Allow the child freedom to choose activities in which to participate and other children with whom to associate.

C. Increase the child’s sensory stimulation and activity.

D. Limit the child’s opportunities to display anger and frustration.

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