根据《砌体工程施工质量验收规范》的规定,施工时所用的小砌块的产品龄期不应少于()。A

题型:单项选择题

问题:

根据《砌体工程施工质量验收规范》的规定,施工时所用的小砌块的产品龄期不应少于()。

A.14d

B.20d

C.25d

D.28d

考点:一级建造师建筑工程建筑工程管理与实务
题型:单项选择题

All of the following are true quality statements except:

A) Quality improvement depends upon better definition and increased awareness of the requirements/specifications.
B) Project quality management must address both management of the project and the product of the project.
C) Recognition of key actions required of each team member is necessary to meet quality objectives.
D) Computer aided design systems can improve quality, but only at the expense of an increase in the cost of design.

题型:单项选择题

如图所示,两足够长的光滑金属导轨竖直放置,相距为L,一理想电流表和一电阻R串联后再与两导轨相连,匀强磁场与导轨平面垂直.一质量为m、有效电阻为r的导体棒在距磁场上边界h处静止释放.导体棒进入磁场后,流经电流表的电流逐渐减小,最终稳定为I.整个运动过程中,导体棒与导轨接触良好,且始终保持水平,不计导轨的电阻.求:

(1)磁感应强度的大小B;

(2)电流稳定后,导体棒运动速度的大小v;

(3)流经电流表电流的最大值Im

题型:单项选择题

如图所示,用细绳OA、OB悬挂一重物,在保持O点和A点不变的情况下,使细绳OB沿着半圆形轨道由B点缓慢移向C点。在移动的过程中,细绳OB中拉力大小的变化情况是

[ ]

A.一直减小

B.一直增大

C.先减小后增大

D.先增大后减小

题型:单项选择题

In relation to the Civil Procedure Law of China:

(b) state the major legal characteristics of exclusive jurisdiction, in terms of: (i) the basis of exclusive jurisdiction; and (4 marks) (ii) the effect of the rule of exclusive jurisdiction.(4 marks)

题型:单项选择题

()项目组织一般适用于小型的、专业性较强,不需涉及众多部门配合的施工项目。

A、直线职能式

B、工作队式

C、矩阵式

D、事业部式

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