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【单选题】
The difference between a change in quantity supplied and a change in supply is that a change in:A.
quantity supplied is caused by a change in a good's own, current price, while a change in supply is caused by a change in some other variable, such as input prices, prices of related goods, expectations, or taxes.
B.
supply is caused by a change in a good's own, current price, while a change in the quantity supplied is caused by a change in some other variable, such as input prices, prices of related goods, expectations, or taxes.
C.
quantity supplied is a change in the amount people want to sell, while a change in supply is a change in the amount they actually sell.
D.
supply and a change in the quantity supplied are the same thing.
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【简答题】Dictation: Unit 2 sentences: 1. 2. 3. 4. 5. paragraph:
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