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【单选题】
Refer to Exhibit 4. Suppose the economy is operating in a recession such as point B in Exhibit 4. If policymakers wished to move output to its long-run natural rate, they should attempt toA.
shift aggregate demand to the left.
B.
shift short-run aggregate supply to the left.
C.
shift aggregate demand to the right.
D.
shift short-run aggregate supply to the right.
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【简答题】烷烃系统命名法的步骤 。
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