粘质土的慢剪试验，当剪切过程中测力计百分表无峰值时，剪切至剪切位移达（）时停止。
A.3mm
B.4mm
C.5mm
D.6mm
参考答案：D
As you can see, the number of students using mobile phones _____ these days. [ ]
A. is rising
B. is being raised
C. have risen
D. have been raised
组织分工反映了一个组织系统中各子系统或各元素的工作任务分工和( )。
A．结构分工
B．管理职能分工
C．信息处理分32
D．施工流程分工
