当经济处于衰退时,美联储可以________联邦基金率,这可以________总需求,同时________实际GDP。
A. 降低;增加;减少
B. 提高;减少;增加
C. 降低;增加;增加
D. 提高;增加;减少
E. 降低;减少;减少
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when you do the watch keeping in the engine room ,what should you be careful
why is quick closing valves important to in engine room machineries ?how are
The three basic components of a fire are chain reaction, heat, fuel, and ____.
A. carbon monoxide
B. oxygen
C. carbon dioxide
D. any gaseous substance
当一国有________,国债在某年度下降。
A. 预算赤字
B. 平衡预算
C. 预算补充
D. 预算盈余
E. 没有相机抉择的财政政策