区域治理战术
参考答案：
是指强化基层基础工作，达到扭转社会治安被动局面的重要措施和方法。
I know ______ is important to know my own limitations, but _______ is difficult is to help others to know their own limitations.
A．it, it
B．what, what
C．it, what
D．what, it
电动机加入轴承内的润滑脂应填满其内部空隙的（）同一轴承内不得填入不同品种的润滑脂。
A.1/2
B.1/3
C.2/3
D.3/4
