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【单选题】
消费者小包花费100元购买西瓜和草莓,西瓜每斤1元,草莓每斤10元。当她效用为最大化时,其西瓜对草莓的边际替代率为__。A.
10
B.
1/10
C.
100
D.
1/100
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反馈参考答案：
举一反三
【单选题】As a result of the radio and cinema, a person who could not read could in theory know as much as a person who______.
A.
had read a lot
B.
could read very well
C.
could not write
D.
was familiar with civilized customs
【简答题】[A] solution [B] result [C] key [D] answer
【单选题】The key ____ English well is to read more when ____.A．to learn, possibleB．of learning, possiblyC
A.
29. The key ____ English well is to read more when ____. A．to learn, possible
B.
of learning, possibly
C.
of learning, was possible
D.
to learning, possible
【单选题】Key result indicators tell you:
A.
what you have done
B.
how you have done in a perspective or critical success factor
C.
what to do
D.
what to do to increase performance dramatically
【单选题】The sides of the Iran nuclear negotiation reached a key point, the result of ________ would have a great influence on the world peace.
A.
that
B.
which
C.
whom
D.
them
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