【单选题】【消耗次数：1】
如果增加1单位产品所增加的边际成本大于产品增加前的平均成本，那么在产品增加后平均成本将（ ）。
①
上升
②
下降
③
不变
④
不能确定
参考答案：
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相关题目
【单选题】
在产品品种结构及单位成本不变的条件下，产量增加
①
成本降低额及成本降低率同时增加
②
成本降低额增加，成本降低率不变
③
成本降低率增加，成本降低额不变
④
成本降低额，成本降低率都不变
【单选题】
4.1.1当边际成本小于平均成本时，产量的进一步增加将导致（ ）。
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A平均成本上升
②
B平均成本可能上升也可能下降
③
C总成本下降
④
D平均成本一定是处于减少状态
随机题目
【单选题】
Historical linguistics reveals that the English vocabulary sprang from three major root sources:_______.
①
Italian, Latin, Greek
②
French, Germanic, Greek
③
Germanic, Latin, Greek
④
Germanic, Italian, French
【判断题】
As an individual branch of linguistics, lexicology has nothing to do with other branches of linguistics.
①
正确
②
错误
【判断题】
Two more newly emerged disciplines that are related to lexicology are computational lexicology and phraseology.
①
正确
②
错误
【判断题】
A word is a symbol, a representation of something in life, either physical or abstract.
①
正确
②
错误
【判断题】
Although a society is changing , the vocabulary in a language is always stable, and is never changing.
①
正确
②
错误
【单选题】
In language studies, linguists may investigate the history and stages of language change in a course of time. This is called _______ approach.It is historical lexicology.
①
synchronic
②
descriptive
③
diachronic
④
general
【单选题】
Lexicology, a branch of linguistics, deals with_______of words.
①
the nature
②
the history
③
the meaning and use
④
all of the above
【单选题】
Which of the following types of lexicology refers to the description of the vocabulary of a given language?
①
General lexicology
②
Special lexicology
③
Historical lexicology
④
Descriptive lexicology
【单选题】
The essential difference between grammar and lexicology is that the former deals with_______of words and the latter with _______ of words.
①
meanings; forms and structures
②
forms and structures; meanings
③
forms; structures and meanings
④
meanings and forms; structures