根据直线职能结构中，管理人员分为哪两类（） ["直线指挥人员","决策人员","职能人员","监督人员","生产人员"]
（）part is the most densely populated region in America. ["The southern","The northeastern","The wester"]
易燃液体废液不得倒入下水道。
The political system of the US is based on the following except （） ["federalism","the constitutional monarchy","the separation of powers","respect for the constitution","the rule of law"]
个人网络社区
城市分区规划是什么？
