The instructor is called Mrs Smith because she is married to the maths teacher Mr Smith. A: True B: False

Man: How did Eddy do in the interviewWoman: He left the room with only one question unanswered.Question: How well did Eddy do in the interview A: He answered all the questions very well. B: He left as soon as he heard the last question. C: He left after he asked only one question. D: He answered all the questions but one.

一个垄断厂商使（）以最大化利润，对它而言，有（）。因此，它在（）的地方其利润最大化 A: MR>MC,MR B: MR=MC,MR=P,MC=P C: MR=MC,MR D: MR>MC,MR=P,MC

If a competitive firm maximizes short-run profits by producing some quantity of output, which of the following must be true at that level of output? A: p ≥ AVC B: MR > MC C: All of the above D: p > MC

垄断厂商短期均衡时（ ）。 A: MR=SMC B: MR=LMC C: MR=SAC D: MR=LAC

厂商利润最大化原则是（） A: MR〉MC B: MR〈MC C: MR=MC D: MR〉TC

对垄断企业而言，总是有__________。 A: MR>AR B: MR>P C: MR<P D: MR=P

厂商利润最大化的条件是（）。 A: MR>AR B: MR>MC C: MR=MC D: MR

磁介质有三种，用相对磁导率mr表征它们各自的特性时， A: 顺磁质mr >;0，抗磁质mr <;0，铁磁质mr >;>;1 B: 顺磁质mr >;1，抗磁质mr =1，铁磁质mr >;>;1 C: 顺磁质mr >;1，抗磁质mr <;1，铁磁质mr >;>;1 D: 顺磁质mr <;0，抗磁质mr <;1，铁磁质mr >;0

厂商利润最大化的条件是（）。 A: MR＜MC B: MR＞MC C: MR=MC D: MR≥MC