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【单选题】
转炉脱碳速度与渣中氧化亚铁含量的关系是( )。A.
脱碳速度快则渣中氧化亚铁含量高
B.
渣中氧化亚铁含量愈低则脱碳速度愈低
C.
脱碳速度与渣中氧化亚铁含量无关
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举一反三
【单选题】An increase in aggregate wealth:
A.
. increases the consumption of each individual.
B.
. increases the aggregate consumption function.
C.
. decreases the consumption of each individual.
D.
. decreases the aggregate consumption function.
【单选题】The Phillips Curve shows the relationship between______.
A.
aggregate demand and aggregate supply
B.
interest rates and inflation
C.
recessions and booms
D.
inflation and the unemployment rate
【单选题】In the model of aggregate demand and aggregate supply, the initial impact of an increase in consumer optimism is to
A.
shift the short-run aggregate supply curve to the left.
B.
shift the aggregate demand curve to the right.
C.
shift the short-run aggregate supply curve to the right.
D.
shift the aggregate demand curve to the left.
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【单选题】An increase in the aggregate price level will increase:
A.
. short-run aggregate supply.
B.
. the quantity of aggregate output supplied in the short run.
C.
. aggregate demand.
D.
. the quantity of aggregate output demanded.
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