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【判断题】
一个正常情况为 △ 形 联接的负载误接成 Y ,则该负载仅能发出 1/3 的功率。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】A decrease in the expected price level shifts short-run aggregate supply to the
A.
right, and an increase in the actual price level shifts short-run aggregate supply to the right.
B.
right, and an increase in the actual price level does not shift short-run aggregate supply.
C.
left, and an increase in the actual price level shifts short-run aggregate supply to the left.
D.
left, and an increase in the actual price level does not shift short-run aggregate supply.
【单选题】The short-run aggregate supply curve shifts leftward when the
A.
price level increases.
B.
general level of technology advances.
C.
money wage rate increases.
D.
availability of on-the-job training expands to all workers.
【简答题】读图，回答下列问题： 1、甲图为乙图中①所在区域最主要资源的分布图，图上“○”符号的个数代表其数量的多少。请判断“○”符号最可能代表下列哪种资源 [ ] A、煤炭 B、石油 C、水 D、森林 2、乙图中的②国相关描述，正确的是 [ ] A、世界人口最多的国家 B、工业技术一直比较落后 C、目前粮食短缺问题严重 D、受季风的影响，水旱灾害频繁
【简答题】时值等于一个四分音符的六连音,应该使用6个( )分音符,并标记“6”。
【单选题】When a sales tax is imposed on sellers, the supply curve shifts so that the vertical distance between the old and the new supply curve equals the
A.
sales tax multiplied by the price elasticity of demand.
B.
sales tax multiplied by the price elasticity of supply.
C.
amount of the sales tax.
D.
sales tax divided by the price elasticity of demand.
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