共和制
参考答案:
是指国家权力属于人民,国家的代表机关即国家元首是由选举产生并规定有一定任期的 * * 组织形式。
New classical economists believe expansionary fiscal policy has no affect on aggregate demand because:()
A. fiscal policy does not influence monetary policy.
B. fiscal policy substitutes government demand for private sector demand.
C. consumers will decrease spending and increase savings in anticipation of higher taxes to repay government borrowing.
以下关于质点的说法中正确的是()
A.体积小的物体就可以视为质点
B.体积大的物体一定不能视为质点
C.在冰面上旋转的花样滑冰运动员可以视为质点
D.各部分运动状态完全一致的物体可视为质点