题目内容

Conversation 2

A. To get a higher salary.
B. To improve his skills.
C. To work fewer hours.
D. To have better opportunities.

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Conversation 2

A) For two years.
B) For three years .
C) For five years.
D) For six years.

Conversation 2

A) A professor.
B) Amanager.
C) A designer.
D) An engineer.

在维持产量不变的前提下,如果企业增加2个单位的劳动投入量就可以减少4个单位的资本投入量,则有( )。

A. MRTSLK=2,且MPL/ MPK=2
B. MRTSLK=1/2,且MPK/ MPL=2
C. MRTSLK=1/2,且MPL/ MPK=2
D. MRTSLK=2,且MPK/ MPL=2

等成本线向外移动表明

A. 成本增加了
B. 生产要素的价格上升了
C. 产量提高了
D. 以上都不对