【多选题】【消耗次数：1】
在长期中，下列成本中哪些是存在的（ ）
①
总成本
②
平均成本
③
机会成本
④
不变成本
参考答案：
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相关题目
【单选题】
机会成本是指（）。
①
在选择一个行动方案时，因放弃了另一个最佳替代方案而做出的牺牲。
②
有可能发生的成本。
③
在选择一个行动方案时，被放弃的另一个方案的成本。
④
从销售收入中扣除正常利润之后得出的成本。
【简答题】
长期总成本
随机题目
【单选题】
— I drove to Zhuhai for the air show last week. — Is that ____ you had a few days off?
①
why
②
when
③
what
④
which
【单选题】
John asked me _______ to visit his uncle’s farm with him.
①
how would I like
②
if or not would I like
③
whether I would like
④
wehn I would like
【单选题】
—Thank you for your MP4 player. I’ll ask Mary to take it to you soon.—_____. I’ve bought a new one.
①
No sense
②
No hurry.
③
No way
④
sorry
【单选题】
— I can’t find my mobile phone. I’m sure it’s in this room. — _______. I’ll call you with my phone. When it rings, you can follow the sound.
①
Excuse me.
②
Good luck
③
Don’t worry
④
ok
【单选题】
一Susan, will you please go and empty that drawer? 一 ?
①
What for
②
What is it
③
How is it
④
When is it
【单选题】
—I feel so nervous about the National English Speech Competition tomorrow. —_______.
①
I really envy you
②
Glad to hear that
③
Take it easy
④
very good