Project selection methods involve measurin

遵守公安决策程序的意义在于（）

A、防止主观随意性、片面性和盲目性

B、适应千差万别、千变万化的决策内容

C、制约不正之风

D、发挥集体智慧

E、提高执行者贯彻执行方案的积极性

真是一个钱撕成八瓣用，心里总想着怎样能够改善家里的困境。( )

A. It's really that each copper being cut into eight pieces, and I always think about how to improve the conditions in my family.
B. It's really that each copper being cut into eight pieces, and I kept racking my brains for ways to improve our difficult conditions.
C. Each single copper had to be eked out, and I kept racking my brains for ways to improve our difficult conditions.
D. Each single copper had to be eked out, and I always think about how to improve the conditions in my family.

为窗体中的命令按钮设置单击鼠标时发生的动作，应选择设置其属性对话框的( )。

A．格式选项卡

B．数据选项卡

C．事件选项卡

D．其他选项卡

石膏制品的表面光滑细腻，适合作建筑装饰制品的原因是石膏在硬化过程中其体积( )

A．收缩
B．不变
C．微膨胀
D．膨胀很大

形成单羊膜囊单绒毛膜单卵双胎的受精卵分裂发生在受精后( )

A．0～3天
B．4～6天
C．7～8天
D．9～13天
E．14～21天