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【单选题】
厂商经营决策的利润最大化原则的内容是( )。A.
边际收益等于边际成本
B.
边际收益小于边际成本
C.
总收益等于总成本
D.
边际收益大于边际成本
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反馈参考答案：
举一反三
【简答题】情报可能是知识,可能是文献,但文献、知识不一定是情报,此说法正确吗?( )A. 2
【简答题】下边四个图形中，只有一个是由上边的四个图形拼合而成的，请把它找出来。
【单选题】According to the author, we are most likely to catch a cold if we______.
A.
attend a party with a lot of people
B.
stay long hours in the street on a snowy day
C.
go out on an extremely cold and windy day
D.
go skiing or skating in the open air
【单选题】I had supper with my friends yesterday afternoon , _____ we went to attend a party .
A.
after when
B.
after which
C.
after that
D.
after it
【单选题】We attend a party _____.
A.
every other day
B.
every other days
C.
each other day
D.
each other days
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