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【单选题】
Which of the following represents the marginal cost of a soda? I. The opportunity cost of producing another soda. II. The minimum price someone is willing to pay for another soda.A.
I only
B.
II only
C.
I and II
D.
Neither I nor II
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A.
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B.
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C.
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D.
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【单选题】Like many of Henry James ’ s novels, the story is set in Europe, mostly England and Italy. T his novel reflects James ’ interest in ______________ .
A.
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B.
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C.
the differences between the rich and the poor
D.
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A.
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B.
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C.
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D.
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【简答题】阅读短文，判断句子的正(√)误(×)。 My name is Li Ping. I am sixty years old now. I have a very happy family. I have one son, one daughter and two grandchildren. However, my life was very different many years ago. At...
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