题目内容

当产量为3单位,固定成本为120元,可变成本为90元时。平均成本为()

A. 10元
B. 30元
C. 40元
D. 70元

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土地利用的集约化程度。一般来说利用集约程度愈高的土地,其经济供给亦随之减少。()

A. 正确
B. 错误

We will be looking forward to, in the very near future, _______out much more about the proposal for the business expansion.

A. find
B. founding
C. finding
D. being found

《中华人民共和国草原法》规定,临时占用草原的期限不得超过()年,并不得在临时占用的草原上修建永久性建筑物、构筑物。

A. 2
B. 3
C. 5
D. 6

We have a strong belief that reducing the number of employees does not _______lead to higher productivity.

A. necessity
B. necessary
C. necessarily
D. necessitate

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