【单选题】【消耗次数：1】
平均成本等于（）
①
平均不变成本与平均边际成本之和
②
平均不变成本与平均总成本之和
③
平均不变成本与平均可变成本之和
④
平均可变成本与平均总成本之和
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相关题目
【多选题】
请分析为什么平均成本的最低点一定在平均可变成本的最低点的右边。请分析为什么平均成本的最低点一定在平均可变成本的最低点的右边。
①
MP＞AP阶段
②
MP下降阶段
③
AP＞MP＞0阶段
④
MP与AP相交之点起至MP与横轴交点止
【多选题】
边际成本与平均成本的关系是（）。
①
边际成本大于平均成本，平均成本上升
②
边际成本大于平均成本，平均成本下降
③
边际成本小于平均成本，平均成本下降
④
边际成本小于平均成本，平均成本上升
随机题目
【单选题】
—How do you feel about your family life? — .
①
Good. It’s a good choice to work there.
②
Not bad. I think it is a good choice to be a full-time mother.
③
Not bad. I have visited their family a lot of times.
【单选题】
—Linda, what’s wrong with your grandmother?— .
①
She is not retired
②
She hurt her leg.
③
She got a new house.
④
she is tired.
【单选题】
Due to the increasing aging population in China, demand the caregivers will continue to rise.
①
with
②
of
③
for
④
and
【单选题】
Young people ______ 62% of University teaching staff.
①
comprise
②
compose
③
contain
【单选题】
—Our son has picked up some bad habits recently, and I am really worried about it.— .
①
Yes, they have some bad habits.
②
Cheer up. I believe he will overcome it.
③
Well, he like drawing.
【单选题】
— As we all know, the invention of the Internet was a great breakthrough in human history. ___________?— Yes, of course.
①
What is your opinion
②
Do you know the reason
③
Do you think so
④
what do you think?
【单选题】
The caregivers hope the elderly people will soon.（考点：recover）
①
regain
②
restore
③
recover
④
refeel
【单选题】
—Do you have much experience with caring for babies?— .
①
Yes, I do. I am responsible, loving, warm girl, and often take care of kids in my free time.
②
No, you are freshmen. You should work hard.
③
Yes, they are. They are very cute.
【单选题】
—Linda, what’s wrong with your grandmother?— .
①
She is not retired
②
She hurt her leg.
③
She got a new house.
④
She got a new book.