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【单选题】
根据微观经济学的观点,以下哪一组因素能够确定边际产值:()A.
平均产量和产品利润
B.
平均产量和产品价格
C.
边际产量和产品利润
D.
边际产量和产品价格
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反馈参考答案：
举一反三
【单选题】The girl was knocked ______ her bike by a car. She shouted ______ the driver angrily.
A.
on, to
B.
into, to
C.
off, at
D.
down, at
【单选题】,a car knocked her down.
A.
While crossing the street
B.
While she was crossing the street
C.
She crossed the street
D.
Crossed the street
【单选题】____, a car knocked her down.
A.
Walking home
B.
When she had worked home
C.
While walking home
D.
As she was walking home
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