硬盘分区命令FDISK是一个DOS应用程序(外部命令)，其文件名为fdisk.exe

— Why does the lake smell terrible?

— Because large quantities of water ________.[ ]

A. have polluted  

B. is being polluted

C. has been polluted  

D. have been polluted

Many students don't want themselves to _______ doing _______ homework.

A．keep busy; too much

B．be kept busying; much too

C．be kept busy; too much

D．being kept busy; too much

线性徐变是指（）。

A.徐变与荷载持续时间t为非线性关系 

B.徐变系数与初应变（力）呈线性关系 

C.瞬时变形与徐变变形之和与初应力呈线性关系 

D.长期荷载作用应力σ≤0.5fc时，徐变与应力呈线性关系

养老护理和资产传承是家庭生命周期中（）的核心目标。

A.成长期

B.成熟期

C.高原期

D.衰老期

立案监督的检察监督的内容是公安机关作出的立案决定。( )